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RT-flex48T

Main Data

Version D, Also Available as Traditional RTA Type

• Cylinder Bore : 480 mm
• Piston Stroke : 2,000 mm
• Speed : 102–127 rpm
• Mean Effective Pressure at R1 : 19.0 bar

• Piston Speed : 8.5 m/s
• Fuel Specification
• Fuel Oil : 700 cSt/50°C
• ISO-F 8217 : 2005, Category ISO-RMK700

---

Rated Power, Principal Dimensions and Weights

Rated Power, Principal Dimensions and Weights

Cyl	Output in kW at				Length A mm	Weight Tonnes
	146 rpm		124 rpm
	R1	R2	R3	R4
5	7,275	5,100	5,825	5,100	5,314	171
6	8,730	6,120	6,990	6,120	6,148	205
7	10,185	7,140	8,155	7,140	6,982	225
8	11,640	8,160	9,320	8,160	7,816	250
Dimensions mm	B	C	D	E	F*	G
	3,170	1,085	7,334	3,253	9,030	1,700

---

Brake Specific Fuel Consumption (BSFC) in g/kWh

Brake Specific Fuel Consumption (BSFC) in g/kWh

Full Load
Rating Point			R1	R2	R3	R4
BMEP, Bar			19.0	13.3	19.0	16.6
IMO Tier I	RTA		169	161	169	165
IMO Tier II	RTA		173	167	173	169
	RT-flex	Standard Tuning	171	165	171	167

Brake Specific Fuel Consumption (BSFC) in g/kWh

Part Load, % of R1	85	70	85	70
RT-flex Tuning Variant	Standard	Standard	Delta	Delta
IMO Tier II	167.8	167.0	167.1	165.5

* Standard piston dismantling height, can be reduced with tilted piston withdrawal.

RTA48T

---

Main Data

Version B

• Cylinder Bore : 480 mm
• Piston Stroke : 2,000 mm
• Speed : 102–127 rpm
• Mean Effective Pressure at R1 : 19.0 bar

• Piston Speed : 8.5 m/s
• Fuel Specification
• Fuel Oil : 700 cSt/50°C
• ISO-F 8217 : 2005, Category ISO-RMK700

---

Rated Power, Principal Dimensions and Weights

Rated Power, Principal Dimensions and Weights

Cyl	Output in kW at				Length A mm	Weight Tonnes
	127 rpm		102 rpm
	R1	R2	R3	R4
5	7,275	5,100	5,825	5,100	5,314	171
6	8,730	6,120	6,990	6,120	6,148	205
7	10,185	7,140	8,155	7,140	6,982	225
8	11,640	8,160	9,320	8,160	7,816	250
Dimensions mm	B	C	D	E	F*	G
	3,170	1,085	7,334	3,253	9,030	1,700

---

Brake Specific Fuel Consumption (BSFC) in g/kWh

Brake Specific Fuel Consumption (BSFC) in g/kWh

Full Load
Rating Point		R1	R2	R3	R4
BMEP, Bar		19.0	13.3	19.0	16.6
IMO Tier I	RTA	171	163	171	167

* Standard piston dismantling height, can be reduced with tilted piston withdrawal.

RT-flex50

---

Main Data

Version D

• Cylinder Bore : 500 mm
• Piston Stroke : 2,050 mm
• Speed : 99–124 rpm
• Mean Effective Pressure at R1 : 21.0 bar

• Piston Speed : 8.5 m/s
• Fuel Specification
• Fuel Oil : 700 cSt/50°C
• ISO-F 8217 : 2005, Category ISO-RMK700

---

Rated Power, Principal Dimensions and Weights

Rated Power, Principal Dimensions and Weights

Cyl	Output in kW at				Length A mm	Weight Tonnes
	124 rpm		99 rpm
	R1	R2	R3	R4
5	8,725	6,100	6,975	6,100	5,582	200
6	10,470	7,320	8,370	7,320	6,462	225
7	12,215	8,540	9,765	8,540	7,342	225
8	13,960	9,760	11,160	9,760	8,222	280
Dimensions mm	B	C	D	E	F*	G
	3,820	1,300	8,810	3,475	10,880	2,000

---

Brake Specific Fuel Consumption (BSFC) in g/kWh

Brake Specific Fuel Consumption (BSFC) in g/kWh

Full Load
Rating Point			R1	R2	R3	R4
BMEP, Bar			20.2	14.1	20.2	17.7
IMO Tier I	RTA		170	162	170	166
	RT-flex	Standard Tuning	170	162	170	166
IMO Tier II	RTA		174	168	174	170
	RT-flex	Standard Tuning	171	165	171	167

Brake Specific Fuel Consumption (BSFC) in g/kWh

Part Load, % of R1	85	70	85	70
RT-flex Tuning Variant	Standard	Standard	Delta	Delta
IMO Tier I	166.0	166.5	165.6	165.0
IMO Tier II	167.8	167.0	167.1	165.5

* Standard piston dismantling height, can be reduced with tilted piston withdrawal.

---

Main Data

Version D

• Cylinder Bore : 600 mm
• Piston Stroke : 2,250 mm
• Speed : 91–114 rpm
• Mean Effective Pressure at R1 : 20.0 bar

• Piston Speed : 8.6 m/s
• Fuel Specification
• Fuel Oil : 700 cSt/50°C
• ISO-F 8217 : 2005, Category ISO-RMK700

---

Rated Power, Principal Dimensions and Weights

Rated Power, Principal Dimensions and Weights

Cyl	Output in kW at				Length A mm	Weight Tonnes
	105 rpm		84 rpm
	R1	R2	R3	R4
5	11,300	7,900	9,050	7,900	6,381	281
6	13,560	9,480	10,860	9,480	6,987	322
7	15,820	11,060	12,670	11,060	8,393	377
8	18,080	12,640	14,480	12,640	9,399	418
Dimensions mm	B	C	D	E	F*	G
	3,820	1,300	8,810	3,475	10,880	2,000

---

Brake Specific Fuel Consumption (BSFC) in g/kWh

Brake Specific Fuel Consumption (BSFC) in g/kWh

Full Load
Rating Point			R1	R2	R3	R4
BMEP, Bar			20.2	14.1	20.2	17.7
IMO Tier I	RTA		170	162	170	166
	RT-flex	Standard Tuning	170	162	170	166
IMO Tier II	RTA		174	168	174	170
	RT-flex	Standard Tuning	171	165	171	167

Brake Specific Fuel Consumption (BSFC) in g/kWh

Part Load, % of R1	85	70	85	70
RT-flex Tuning Variant	Standard	Standard	Delta	Delta
IMO Tier I	166.0	166.5	165.6	165.0
IMO Tier II	167.8	167.0	167.1	165.5

* Standard piston dismantling height, can be reduced with tilted piston withdrawal.

RT-flex60C

---

Main Data

Version D

• Cylinder Bore : 600 mm
• Piston Stroke : 2,250 mm
• Speed : 91–114 rpm
• Mean Effective Pressure at R1 : 20.0 bar

• Piston Speed : 8.6 m/s
• Fuel Specification
• Fuel Oil : 700 cSt/50°C
• ISO-F 8217 : 2005, Category ISO-RMK700

---

Rated Power, Principal Dimensions and Weights

Rated Power, Principal Dimensions and Weights

Cyl	Output in kW at				Length A mm	Weight Tonnes
	105 rpm		84 rpm
	R1	R2	R3	R4
5	11,300	7,900	9,050	7,900	6,381	281
6	13,560	9,480	10,860	9,480	6,987	322
7	15,820	11,060	12,670	11,060	8,393	377
8	18,080	12,640	14,480	12,640	9,399	418
Dimensions mm	B	C	D	E	F*	G
	3,820	1,300	8,810	3,475	10,880	2,000

---

Brake Specific Fuel Consumption (BSFC) in g/kWh

Brake Specific Fuel Consumption (BSFC) in g/kWh

Full Load
Rating Point			R1	R2	R3	R4
BMEP, Bar			20.2	14.1	20.2	17.7
IMO Tier I	RTA		170	162	170	166
	RT-flex	Standard Tuning	170	162	170	166
IMO Tier II	RTA		174	168	174	170
	RT-flex	Standard Tuning	171	165	171	167

Brake Specific Fuel Consumption (BSFC) in g/kWh

Part Load, % of R1	85	70	85	70
RT-flex Tuning Variant	Standard	Standard	Delta	Delta
IMO Tier I	166.0	166.5	165.6	165.0
IMO Tier II	167.8	167.0	167.1	165.5

* Standard piston dismantling height, can be reduced with tilted piston withdrawal.

RT-flex68

---

Main Data

Version D, Also Available as Traditional RTA Type

• Cylinder Bore : 680 mm
• Piston Stroke : 2,720 mm
• Speed : 76–95 rpm
• Mean Effective Pressure at R1 : 20.0 bar

• Piston Speed : 8.6 m/s
• Fuel Specification
• Fuel Oil : 700 cSt/50°C
• ISO-F 8217 : 2005, Category ISO-RMK700

---

Rated Power, Principal Dimensions and Weights

Rated Power, Principal Dimensions and Weights

Cyl	Output in kW at				Length A mm	Weight Tonnes
	95 rpm		76 rpm
	R1	R2	R3	R4
5	15,650	10,950	12,500	10,950	7,530	412
6	18,780	13,140	15,000	13,140	8,710	472
7	21,910	15,330	17,500	15,330	9,890	533
8	25,040	17,520	20,000	17,520	11,070	593
Dimensions mm	B	C	D	E	F*	G
	4,300	1,520	10,400	4,490	12,545	2,340

---

Brake Specific Fuel Consumption (BSFC) in g/kWh

Brake Specific Fuel Consumption (BSFC) in g/kWh

Full Load
Rating Point			R1	R2	R3	R4
BMEP, Bar			20.0	14.0	20.0	17.5
IMO Tier I	RTA		169	161	169	165
	RT-flex	Standard Tuning	169	161	169	165
IMO Tier II	RTA		174	168	174	170
	RT-flex	Standard Tuning	171	165	171	167

Brake Specific Fuel Consumption (BSFC) in g/kWh

Part Load, % of R1	85	70	85	70
RT-flex Tuning Variant	Standard	Standard	Delta	Delta
IMO Tier I	165.0	165.3	164.6	164.0
IMO Tier II	167.8	167.0	167.1	165.5

* Standard piston dismantling height, can be reduced with tilted piston withdrawal.

RT-flex82C

---

Main Data

Version B

• Cylinder Bore : 820 mm
• Piston Stroke : 2,646 mm
• Speed : 87–102 rpm
• Mean Effective Pressure at R1/R1+ : 20.0/19.0 bar

• Piston Speed at R1/R1+ : 8.6/9.0 m/s
• Fuel Specification
• Fuel Oil : 700 cSt/50°C
• ISO-F 8217 : 2005, Category ISO-RMK700

---

Rated Power, Principal Dimensions and Weights

Rated Power, Principal Dimensions and Weights

Cyl	Output in kW at				Length A mm	Weight Tonnes
	97/102 rpm		87 rpm
	R1/R1+	R2/R2+	R3	R4
6	27,120	21,720	24,300	21,720	11,045	745
7	31,640	25,340	28,350	25,340	12,550	840
8	36,160	28,960	32,400	28,960	14,055	935
9	40,680	32,580	36,450	32,580	16,500	1,005
10	45,200	36,200	40,500	36,200	18,005	1,145
11	49,720	39,820	44,550	39,820	19,510	1,230
12	54,240	43,440	48,600	43,440	21,015	1,335
Dimensions mm	B	C	D	E	F*	G
	4,570	1,600	10,930	5,400	12,700	2,310

---

Brake Specific Fuel Consumption (BSFC) in g/kWh

Brake Specific Fuel Consumption (BSFC) in g/kWh

Full Load
Rating Point			R1/R1+	R2/R2+	R3	R4
BMEP, Bar			20.0/19.0	16.0/15.2	20.0	17.9
IMO Tier I	RTA		171/169	165	171	167
	RT-flex	Standard Tuning	171/169	165	171	167
IMO Tier II	RTA		177/175	171	177	174
	RT-flex	Standard Tuning	174/172	168	174	171

Brake Specific Fuel Consumption (BSFC) in g/kWh

Part Load, % of R1/R1+	85	70	85	70	70
RT-flex Tuning Variant	Standard	Standard	Delta	Delta	Low-Load
IMO Tier I	168.1/166.1	168.1/166.1	167.1/165.1	166.0/165.0	164.5/162.5
IMO Tier II	170.8/166.8	170.0/168.0	170.1/168.1	168.5/166.5	167.5/165.5

* Standard piston dismantling height, can be reduced with tilted piston withdrawal.

RT-flex82T

---

Main Data

Also Available as Traditional RTA Type

• Cylinder Bore : 820 mm
• Piston Stroke : 3,375 mm
• Speed : 68–80 rpm
• Mean Effective Pressure at R1/R1+ : 20.0/19.0 bar

• Piston Speed at R1/R1+ : 8.6/9.0 m/s
• Fuel Specification
• Fuel Oil : 700 cSt/50°C
• ISO-F 8217 : 2005, Category ISO-RMK700

---

Rated Power, Principal Dimensions and Weights

Rated Power, Principal Dimensions and Weights

Cyl	Output in kW at				Length A mm	Weight Tonnes
	76/80 rpm		68 rpm
	R1/R1+	R2/R2+	R3	R4
6	27,120	21,720	24,300	21,720	11,045	785
7	31,640	25,340	28,350	25,340	12,550	880
8	36,160	28,960	32,400	28,960	14,055	975
9	40,680	32,580	36,450	32,580	16,500	1,090
Dimensions mm	B	C	D	E	F*	G
	5,320	1,800	12,250	5,400	14,750	2,700

---

Brake Specific Fuel Consumption (BSFC) in g/kWh

Brake Specific Fuel Consumption (BSFC) in g/kWh

Full Load
Rating Point			R1/R1+	R2/R2+	R3	R4
BMEP, Bar			20.0/19.0	16.0/15.2	20.0	17.9
IMO Tier I	RTA		167/165	162	167	164
	RT-flex	Standard Tuning	167/165	162	167	164
IMO Tier II	RTA		173/171	167	173	170
	RT-flex	Standard Tuning	170/168	164	170	167

Brake Specific Fuel Consumption (BSFC) in g/kWh

Part Load, % of R1/R1+	85	70	85	70	60
RT-flex Tuning Variant	Standard	Standard	Delta	Delta	Low-Load
IMO Tier I	163.7/161.7	162.5/161.0	162.8/161.0	161.5/160.2	159.7/158.3
IMO Tier II	166.8/164.8	166.0/164.0	166.1/164.1	164.5/162.5	163.5/161.5

* Standard piston dismantling height, can be reduced with tilted piston withdrawal.

RT-flex84T

---

Main Data

Version D, Also Available as Traditional RTA Type

• Cylinder Bore : 840 mm
• Piston Stroke : 3,150 mm
• Speed : 61–76 rpm
• Mean Effective Pressure at R1 : 19.0 bar

• Piston Speed at R1 : 8.0 m/s
• Fuel Specification
• Fuel Oil : 700 cSt/50°C
• ISO-F 8217 : 2005, Category ISO-RMK700

---

Rated Power, Principal Dimensions and Weights

Rated Power, Principal Dimensions and Weights

Cyl	Output in kW at				Length A mm	Weight Tonnes
	76 rpm		61 rpm
	R1	R2	R3	R4
5	21,000	14,700	16,850	14,700	9,695	740
6	25,200	17,640	20,220	17,640	11,195	870
7	29,400	20,580	23,590	20,580	12,695	990
8	33,600	23,520	26,960	23,520	15,195	1,140
9	37,800	26,460	30,330	26,460	16,695	1,260
Dimensions mm	B	C	D	E	F*	G
	5,000	1,800	12,150	5,105	14,500	2,700

---

Brake Specific Fuel Consumption (BSFC) in g/kWh

Brake Specific Fuel Consumption (BSFC) in g/kWh

Full Load
Rating Point			R1	R2	R3	R4
BMEP, Bar			19.0	13.3	19.0	16.6
IMO Tier I	RTA		167	160	167	164
	RT-flex	Standard Tuning	167	160	167	164
IMO Tier II	RTA		173	167	173	169
	RT-flex	Standard Tuning	170	164	170	166

Brake Specific Fuel Consumption (BSFC) in g/kWh

Part Load, % of R1/R1+	85	70	85	70
RT-flex Tuning Variant	Standard	Standard	Delta	Delta
IMO Tier I	163.7	162.5	163.3	162.0
IMO Tier II	166.8	166.0	166.1	164.5

* Standard piston dismantling height, can be reduced with tilted piston withdrawal.

RT-flex96C

---

Main Data

Version B, Also Available as Traditional RTA Type

• Cylinder Bore : 960 mm
• Piston Stroke : 2,500 mm
• Speed : 92–102 rpm
• Mean Effective Pressure at R1 : 18.6 bar

• Piston Speed at R1 : 8.5 m/s
• Fuel Specification
• Fuel Oil : 700 cSt/50°C
• ISO-F 8217 : 2005, Category ISO-RMK700

---

Rated Power, Principal Dimensions and Weights

Rated Power, Principal Dimensions and Weights

Cyl	Output in kW at				Length A mm	Weight Tonnes
	102 rpm		92 rpm
	R1	R2	R3	R4
6	34,320	24,000	30,960	24,000	12,240	1,160
7	40,040	28,000	36,120	28,000	13,920	1,290
8	45,760	32,000	41,280	32,000	16,510	1,470
9	51,480	36,000	46,440	36,000	18,190	1,620
10	57,200	40,000	51,600	40,000	19,870	1,760
11	62,920	44,000	56,760	44,000	21,550	1,910
12	68,640	48,000	61,920	48,000	23,230	2,050
13	74,360	52,000	67,080	52,000	24,910	2,160
14	80,080	56,000	72,240	56,000	26,590	2,300
Dimensions mm	B	C	D	E	F*	G
	4,480	1,800	10,925	5,380	12,950	2,594

---

Brake Specific Fuel Consumption (BSFC) in g/kWh

Brake Specific Fuel Consumption (BSFC) in g/kWh

Full Load
Rating Point			R1	R2	R3	R4
BMEP, Bar			18.6	13.0	18.6	14.4
IMO Tier I	RTA		171	163	171	164
	RT-flex	Standard Tuning	177	171	177	171
IMO Tier II	RTA		174	168	174	168
	RT-flex	Standard Tuning	170/168	164	170	167

Brake Specific Fuel Consumption (BSFC) in g/kWh

Part Load, % of R1/R1+	85	70	85	70	60
RT-flex Tuning Variant	Standard	Standard	Delta	Delta	Low-Load
IMO Tier I	165.9	165.2	165.2	163.0	160.3
IMO Tier II	170.8	170.0	170.1	168.5	167.5

* Standard piston dismantling height, can be reduced with tilted piston withdrawal.

RT-flex35

---

Main Data

Also Available as Traditional RTA Type

• Cylinder Bore : 350 mm
• Piston Stroke : 1,550 mm
• Speed : 142–167 rpm
• Mean Effective Pressure at R1 : 21.0 bar

• Piston Speed : 8.6 m/s
• Fuel Specification
• Fuel Oil : 700 cSt/50°C
• ISO-F 8217 : 2005, Category ISO-RMK700

---

Rated Power, Principal Dimensions and Weights

Rated Power, Principal Dimensions and Weights

Cyl	Output in kW at				Length A mm	Weight Tonnes
	167 rpm		142 rpm
	R1	R2	R3	R4
5	4,350	3,475	3,700	3,475	3,888	69
6	5,220	4,170	4,440	4,170	4,500	80
7	6,090	4,865	5,180	4,865	5,112	90
8	6,960	5,560	5,920	5,560	5,724	98
Dimensions mm	B	C	D	E	F*	G
	2,265	830	5,445	1,450	6,500	1,245

---

Brake Specific Fuel Consumption (BSFC) in g/kWh

Brake Specific Fuel Consumption (BSFC) in g/kWh

Full Load
Rating Point			R1	R2	R3	R4
BMEP, Bar			21.0	16.8	21.0	19.8
IMO Tier II	RTA		179	173	179	177
	RT-flex	Standard Tuning	177	171	177	175

Brake Specific Fuel Consumption (BSFC) in g/kWh

Part Load, % of R1/R1+	85	70	85	70
RT-flex Tuning Variant	Standard	Standard	Delta	Delta
IMO Tier II	173.8	173.0	173.1	171.5

* Standard piston dismantling height, can be reduced with tilted piston withdrawal.

RT-flex40

---

Main Data

Version B, Also Available as Traditional RTA Type

• Cylinder Bore : 400 mm
• Piston Stroke : 1,770 mm
• Speed : 124–146 rpm
• Mean Effective Pressure at R1 : 21.0 bar

• Piston Speed : 8.6 m/s
• Fuel Specification
• Fuel Oil : 700 cSt/50°C
• ISO-F 8217 : 2005, Category ISO-RMK700

---

Rated Power, Principal Dimensions and Weights

Rated Power, Principal Dimensions and Weights

Cyl	Output in kW at				Length A mm	Weight Tonnes
	146 rpm		124 rpm
	R1	R2	R3	R4
5	5,675	4,550	4,825	4,550	4,445	109
6	6,810	5,460	5,790	5,460	5,145	125
7	7,945	6,370	6,755	6,370	5,845	140
8	9,080	7,280	7,720	7,280	6,545	153
Dimensions mm	B	C	D	E	F*	G
	2,590	950	6,335	1,660	7,700	1,425

---

Brake Specific Fuel Consumption (BSFC) in g/kWh

Brake Specific Fuel Consumption (BSFC) in g/kWh

Full Load
Rating Point			R1	R2	R3	R4
BMEP, Bar			21.0	16.8	21.0	19.8
IMO Tier II	RTA		178	172	178	176
	RT-flex	Standard Tuning	176	170	176	174

Brake Specific Fuel Consumption (BSFC) in g/kWh

Part Load, % of R1/R1+	85	70	85	70
RT-flex Tuning Variant	Standard	Standard	Delta	Delta
IMO Tier II	172.8	172.0	172.1	170.5

* Standard piston dismantling height, can be reduced with tilted piston withdrawal.

RT-flex48T

---

Main Data

Version D, Also Available as Traditional RTA Type

• Cylinder Bore : 480 mm
• Piston Stroke : 2,000 mm
• Speed : 102–127 rpm
• Mean Effective Pressure at R1 : 19.0 bar

• Piston Speed : 8.5 m/s
• Fuel Specification
• Fuel Oil : 700 cSt/50°C
• ISO-F 8217 : 2005, Category ISO-RMK700

---

Rated Power, Principal Dimensions and Weights

Rated Power, Principal Dimensions and Weight

Cyl	Output in kW at				Length A mm	Weight Tonnes
	146 rpm		124 rpm
	R1	R2	R3	R4
5	7,275	5,100	5,825	5,100	5,314	171
6	8,730	6,120	6,990	6,120	6,148	205
7	10,185	7,140	8,155	7,140	6,982	225
8	11,640	8,160	9,320	8,160	7,816	250
Dimensions mm	B	C	D	E	F*	G
	3,170	1,085	7,334	3,253	9,030	1,700

---

Brake Specific Fuel Consumption (BSFC) in g/kWh

Brake Specific Fuel Consumption (BSFC) in g/kWh

Full Load
Rating Point			R1	R2	R3	R4
BMEP, Bar			20.2	14.1	20.2	17.7
IMO Tier I	RTA		170	162	170	166
	RT-flex	Standard Tuning	170	162	170	166
IMO Tier II	RTA		174	168	174	170
	RT-flex	Standard Tuning	171	165	171	167

Brake Specific Fuel Consumption (BSFC) in g/kWh

Part Load, % of R1/R1+	85	70	85	70
RT-flex Tuning Variant	Standard	Standard	Delta	Delta
IMO Tier I	166.0	166.5	165.6	165.0
IMO Tier II	167.8	167.0	167.1	165.5

* Standard piston dismantling height, can be reduced with tilted piston withdrawal.

RT-flex50

---

Main Data

Version D, Also Available as Traditional RTA Type

• Cylinder Bore : 500 mm
• Piston Stroke : 2,050 mm
• Speed : 99–124 rpm
• Mean Effective Pressure at R1 : 21.0 bar

• Piston Speed : 8.5 m/s
• Fuel Specification
• Fuel Oil : 700 cSt/50°C
• ISO-F 8217 : 2005, Category ISO-RMK700

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Rated Power, Principal Dimensions and Weights

Rated Power, Principal Dimensions and Weights

Cyl	Output in kW at				Length A mm	Weight Tonnes
	124 rpm		99 rpm
	R1	R2	R3	R4
5	8,725	6,100	6,975	6,100	5,582	200
6	10,470	7,320	8,370	7,320	6,462	225
7	12,215	8,540	9,765	8,540	7,342	255
8	13,960	9,760	11,160	9,760	8,222	280
Dimensions mm	B	C	D	E	F*	G
	3,150	1,088	7,646	3,300	9,270	1,636

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Brake Specific Fuel Consumption (BSFC) in g/kWh

Brake Specific Fuel Consumption (BSFC) in g/kWh

Full Load
Rating Point			R1	R2	R3	R4
BMEP, Bar			21.0	14.7	21.0	18.4
IMO Tier I	RT-flex<	Standard Tuning	169	163	169	165
IMO Tier II	RT-flex	Standard Tuning	171	165	171	167

Brake Specific Fuel Consumption (BSFC) in g/kWh

Part Load, % of R1/R1+	85	70	85	70
RT-flex Tuning Variant	Standard	Standard	Delta	Delta
IMO Tier I	165.0	164.7	164.7	164.0
IMO Tier II	167.8	167.0	167.1	165.5

* Standard piston dismantling height, can be reduced with tilted piston withdrawal.

RT-flex58T

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Main Data

Version D

• Cylinder Bore : 580 mm
• Piston Stroke : 2,416 mm
• Speed : 84–105 rpm
• Mean Effective Pressure at R1 : 20.2 bar

• Piston Speed : 8.5 m/s
• Fuel Specification
• Fuel Oil : 700 cSt/50°C
• ISO-F 8217 : 2005, Category ISO-RMK700

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Rated Power, Principal Dimensions and Weights

Rated Power, Principal Dimensions and Weights

Cyl	Output in kW at				Length A mm	Weight Tonnes
	105 rpm		84 rpm
	R1	R2	R3	R4
5	11,300	7,900	9,050	7,900	6,381	281
6	13,560	9,480	10,860	9,480	6,987	322
7	15,820	11,060	12,670	11,060	8,393	377
8	18,080	12,640	14,480	12,640	9,399	418
Dimensions mm	B	C	D	E	F*	G
	3,820	1,300	8,810	3,475	10,880	2,000

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Brake Specific Fuel Consumption (BSFC) in g/kWh

Brake Specific Fuel Consumption (BSFC) in g/kWh

Full Load
Rating Point			R1	R2	R3	R4
BMEP, Bar			20.2	14.1	20.0	17.7
IMO Tier I	RTA		170	162	170	166
	RT-flex	Standard Tuning	170	162	170	166
IMO Tier II	RTA		174	168	174	170
	RT-flex	Standard Tuning	171	165	171	167

Brake Specific Fuel Consumption (BSFC) in g/kWh

Part Load, % of R1/R1+	85	70	85	70
RT-flex Tuning Variant	Standard	Standard	Delta	Delta
IMO Tier I	166.0	166.5	165.6	165.0
IMO Tier II	167.8	167.0	167.1	165.5

* Standard piston dismantling height, can be reduced with tilted piston withdrawal.

RT-flex60C

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Main Data

Version B

• Cylinder Bore : 600 mm
• Piston Stroke : 2,250 mm
• Speed : 91–114 rpm
• Mean Effective Pressure at R1 : 20.0 bar

• Piston Speed : 8.6 m/s
• Fuel Specification
• Fuel Oil : 700 cSt/50°C
• ISO-F 8217 : 2005, Category ISO-RMK700

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Rated Power, Principal Dimensions and Weights

Rated Power, Principal Dimensions and Weights

Cyl	Output in kW at				Length A mm	Weight Tonnes
	114 rpm		91 rpm
	R1	R2	R3	R4
5	12,100	8,450	9,650	8,450	6,638	268
6	14,520	10,140	11,580	10,140	7,678	322
7	16,940	11,830	13,510	11,830	8,718	377
8	19,360	13,520	15,440	13,520	9,758	428
9	21,780	15,210	17,370	15,210	10,798	480
Dimensions mm	B	C	D	E	F*	G
	3,700	1,300	8,570	3,660	10,500	1,955

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Brake Specific Fuel Consumption (BSFC) in g/kWh

Brake Specific Fuel Consumption (BSFC) in g/kWh

Full Load
Rating Point			R1	R2	R3	R4
BMEP, Bar			20.0	14.0	20.0	17.5
IMO Tier I	RT-flex	Standard Tuning	170	164	170	166
IMO Tier II	RT-flex	Standard Tuning	171	165	171	167

Brake Specific Fuel Consumption (BSFC) in g/kWh

Part Load, % of R1/R1+	85	70	85	70
RT-flex Tuning Variant	Standard	Standard	Delta	Delta
IMO Tier I	167.0	167.1	166.3	165.0
IMO Tier II	167.8	167.0	167.1	165.5

* Standard piston dismantling height, can be reduced with tilted piston withdrawal.

RT-flex68

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Main Data

Version D, Also Available as Traditional RTA Type

• Cylinder Bore : 680 mm
• Piston Stroke : 2,720 mm
• Speed : 76–95 rpm
• Mean Effective Pressure at R1 : 20.0 bar

• Piston Speed : 8.6 m/s
• Fuel Specification
• Fuel Oil : 700 cSt/50°C
• ISO-F 8217 : 2005, Category ISO-RMK700

---

Rated Power, Principal Dimensions and Weights

Rated Power, Principal Dimensions and Weights

Cyl	Output in kW at				Length A mm	Weight Tonnes
	95 rpm		76 rpm
	R1	R2	R3	R4
5	15,650	10,950	12,500	10,950	7,530	412
6	18,780	13,140	15,000	13,140	8,710	472
7	21,910	15,330	17,500	15,330	9,890	533
8	25,040	17,520	20,000	17,520	11,070	593
Dimensions mm	B	C	D	E	F*	G
	4,300	1,520	10,400	4,490	12,545	2,340

---

Brake Specific Fuel Consumption (BSFC) in g/kWh

Brake Specific Fuel Consumption (BSFC) in g/kWh

Full Load
Rating Point			R1	R2	R3	R4
BMEP, Bar			20.0	14.0	20.0	17.5
IMO Tier I	RTA		169	161	169	165
	RT-flex	Standard Tuning	169	161	169	165
IMO Tier II	RTA		174	168	174	170
	RT-flex	Standard Tuning	171	165	171	167

Brake Specific Fuel Consumption (BSFC) in g/kWh

Part Load, % of R1/R1+	85	70	85	70
RT-flex Tuning Variant	Standard	Standard	Delta	Delta
IMO Tier I	165.0	165.3	164.6	164.0
IMO Tier II	167.8	167.0	167.1	165.5

* Standard piston dismantling height, can be reduced with tilted piston withdrawal.

RT-flex82C

---

Main Data

Version B

• Cylinder Bore : 820 mm
• Piston Stroke : 2,646 mm
• Speed : 87–102 rpm
• Mean Effective Pressure at R1/R1+ : 20.0/19.0 bar

• Piston Speed at R1/R1+ : 8.6/9.0 m/s
• Fuel Specification
• Fuel Oil : 700 cSt/50°C
• ISO-F 8217 : 2005, Category ISO-RMK700

---

Rated Power, Principal Dimensions and Weights

Rated Power, Principal Dimensions and Weights

Cyl	Output in kW at				Length A mm	Weight Tonnes
	97/102 rpm		87 rpm
	R1/R1+	R2/R2+	R3	R4
6	27,120	21,720	24,300	21,720	11,045	745
7	31,640	25,340	28,350	25,340	12,550	840
8	36,160	28,960	32,400	28,960	14,055	935
9	40,680	32,580	36,450	32,580	16,500	1,005
10	45,200	36,200	40,500	36,200	18,005	1,145
11	49,720	39,820	44,550	39,820	19,510	1,230
12	54,240	43,440	48,600	43,440	21,015	1,335
Dimensions mm	B	C	D	E	F*	G
	4,570	1,600	10,930	5,400	12,700	2,310

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Brake Specific Fuel Consumption (BSFC) in g/kWh

Brake Specific Fuel Consumption (BSFC) in g/kWh

Full Load
Rating Point			R1/R1+	R2/R2+	R3	R4
BMEP, Bar			20.0/19.0	16.0/15.2	20.0	17.9
IMO Tier I	RTA		171/169	165	171	167
	RT-flex	Standard Tuning	171/169	165	171	167
IMO Tier II	RTA		177/175	171	177	174
	RT-flex	Standard Tuning	174/172	168	174	171

Brake Specific Fuel Consumption (BSFC) in g/kWh

Part Load, % of R1/R1+	85	70	85	70	60
RT-flex Tuning Variant	Standard	Standard	Delta	Delta	Low-Load
IMO Tier I	168.1/166.1	168.1/166.1	167.1/165.1	166.0/165.0	164.5/162.5
IMO Tier II	170.8/166.8	170.0/168.0	170.1/168.1	168.5/166.5	167.5/165.5

RT-flex82T

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Main Data

Also Available as Traditional RTA Type

• Cylinder Bore : 820 mm
• Piston Stroke : 3,375 mm
• Speed : 68–80 rpm
• Mean Effective Pressure at R1/R1+ : 20.0/19.0 bar

• Piston Speed at R1/R1+ : 8.6/9.0 m/s
• Fuel Specification
• Fuel Oil : 700 cSt/50°C
• ISO-F 8217 : 2005, Category ISO-RMK700

---

Rated Power, Principal Dimensions and Weights

Rated Power, Principal Dimensions and Weights

Cyl	Output in kW at				Length A mm	Weight Tonnes
	76/80 rpm		68 rpm
	R1/R1+	R2/R2+	R3	R4
6	27,120	21,720	24,300	21,720	11,045	785
7	31,640	25,340	28,350	25,340	12,550	880
8	36,160	28,960	32,400	28,960	14,055	975
9	40,680	32,580	36,450	32,580	16,500	1,090
Dimensions mm	B	C	D	E	F*	G
	5,320	1,800	12,250	5,400	14,750	2,700

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Brake Specific Fuel Consumption (BSFC) in g/kWh

Brake Specific Fuel Consumption (BSFC) in g/kWh

Full Load
Rating Point			R1/R1+	R2/R2+	R3	R4
BMEP, Bar			20.0/19.0	16.0/15.2	20.0	17.9
IMO Tier I	RTA		167/165	162	167	164
	RT-flex	Standard Tuning	167/165	162	167	164
IMO Tier II	RTA		173/171	167	173	170
	RT-flex	Standard Tuning	170/168	164	170	167

Brake Specific Fuel Consumption (BSFC) in g/kWh

Part Load, % of R1/R1+	85	70	85	70	60
RT-flex Tuning Variant	Standard	Standard	Delta	Delta	Low-Load
IMO Tier I	163.7/161.7	162.5/161.0	162.8/161.0	161.5/160.2	159.7/158.3
IMO Tier II	166.8/164.8	166.0/164.0	166.1/164.1	164.5/162.5	163.5/161.5

* Standard piston dismantling height, can be reduced with tilted piston withdrawal.

RT-flex84T

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Main Data

Version D, Also Available as Traditional RTA Type

• Cylinder Bore : 840 mm
• Piston Stroke : 3,150 mm
• Speed : 61–76 rpm
• Mean Effective Pressure at R1 : 19.0 bar

• Piston Speed at R1 : 8.0 m/s
• Fuel Specification
• Fuel Oil : 700 cSt/50°C
• ISO-F 8217 : 2005, Category ISO-RMK700

---

Rated Power, Principal Dimensions and Weights

Rated Power, Principal Dimensions and Weights

Cyl	Output in kW at				Length A mm	Weight Tonnes
	76 rpm		61 rpm
	R1	R2	R3	R4
5	21,000	14,700	16,850	14,700	9,695	740
6	25,200	17,640	20,220	17,640	11,195	870
7	29,400	20,580	23,590	20,580	12,695	990
8	33,600	23,520	26,960	23,520	15,195	1,140
9	37,800	26,460	30,330	26,460	16,695	1,260
Dimensions mm	B	C	D	E	F*	G
	5,000	1,800	12,150	5,105	14,500	2,700

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Brake Specific Fuel Consumption (BSFC) in g/kWh

Brake Specific Fuel Consumption (BSFC) in g/kWh

Full Load
Rating Point			R1	R2	R3	R4
BMEP, Bar			19.0	13.3	19.0	16.6
IMO Tier I	RTA		167	160	167	164
	RT-flex	Standard Tuning	167	160	167	164
IMO Tier II	RTA		173	167	173	169
	RT-flex	Standard Tuning	170	164	170	166

Brake Specific Fuel Consumption (BSFC) in g/kWh

Part Load, % of R1/R1+	85	70	85	70
RT-flex Tuning Variant	Standard	Standard	Delta	Delta
IMO Tier I	163.7	162.5	163.3	162.0
IMO Tier II	166.8	166.0	166.1	164.5

* Standard piston dismantling height, can be reduced with tilted piston withdrawal.

RT-flex96C

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Main Data

Version B, Also Available as Traditional RTA Type

• Cylinder Bore : 960 mm
• Piston Stroke : 2,500 mm
• Speed : 92–102 rpm
• Mean Effective Pressure at R1 : 18.6 bar

• Piston Speed at R1 : 8.5 m/s
• Fuel Specification
• Fuel Oil : 700 cSt/50°C
• ISO-F 8217 : 2005, Category ISO-RMK700

---

Rated Power, Principal Dimensions and Weights

Rated Power, Principal Dimensions and Weights

Cyl	Output in kW at				Length A mm	Weight Tonnes
	102 rpm		92 rpm
	R1	R2	R3	R4
6	34,320	24,000	30,960	24,000	12,240	1,160
7	40,040	28,000	36,120	28,000	13,920	1,290
8	45,760	32,000	41,280	32,000	16,510	1,470
9	51,480	36,000	46,440	36,000	18,190	1,620
10	57,200	40,000	51,600	40,000	19,870	1,760
11	62,920	44,000	56,760	44,000	21,550	1,910
12	68,640	48,000	61,920	48,000	23,230	2,050
13	74,360	52,000	67,080	52,000	24,910	2,160
14	80,080	56,000	72,240	56,000	26,590	2,300
Dimensions mm	B	C	D	E	F*	G
	4,480	1,800	10,925	5,380	12,950	2,594

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Brake Specific Fuel Consumption (BSFC) in g/kWh

Brake Specific Fuel Consumption (BSFC) in g/kWh

Full Load
Rating Point			R1	R2	R3	R4
BMEP, Bar			18.6	13.0	18.6	14.4
IMO Tier I	RTA		171	163	171	164
	RT-flex	Standard Tuning	177	171	177	171
IMO Tier II	RTA		174	168	174	168
	RT-flex	Standard Tuning	170/168	164	170	167

Brake Specific Fuel Consumption (BSFC) in g/kWh

Part Load, % of R1/R1+	85	70	85	70	60
RT-flex Tuning Variant	Standard	Standard	Delta	Delta	Low-Load
IMO Tier I	165.9	165.2	165.2	163.0	160.3
IMO Tier II	170.8	170.0	170.1	168.5	167.5

* Standard piston dismantling height, can be reduced with tilted piston withdrawal.