PowerTech
6125SFM Diesel Engine
Marine Generator Drive Engine Specifications
Dimensions
6125SFM shown
Certifications
American Bureau of Shipping
Bureau Veritas
Det Norske Veritas
IMO MARPOL Annex VI
Lloyd's Register
RINA
US EPA Marine Tier 2 Compliant
General data
Model
Number of cylinders
Displacement - L (cu in)
Bore and Stroke-- mm (in)
Compression Ratio
Engine Type
Aspiration
6125SFM75
6
12.5 (763)
127 x 165 (5.00 x 6.50)
17.0:1
In-line, 4- Cycle
Air-to-sea water
Length - mm (in)
Width - mm (in)
Height, Centerline to Top-- mm. (in)
Height, Centerline to Bottom-- mm. (in)
Weight, dry-- kg (lb)
Maximum Installed Angle
1801 (70.9)
1032 (40.6)
786 (30.9)
364 (14.3)
1475 (3252)
Front Up – degrees
Front Down – degrees
12
0
Features and benefits
Watercooled Turbocharger and Exhaust Manifold
- Cooler and quieter environment for vessel and crew
- Reduced external connections eliminates hoses and fittings that can leak or
break
Directed Top-liner Cooling
- Reduces upper liner temperature by as much as 130 degrees Fahrenheit (72
degrees Celsius)
- Durable and reliable power cylinder components
Replaceable Wet-type Cylinder Liners
- Hardened and precision machined for long life
- Rebuild to original specifications
Heat Exchanger Cooled
- High-capacity heat exchanger designed for reliable operation in adverse
conditions
High Torque and Low Rated RPM
- Excellent vessel control and maneuvering
- Lower rated rpm limits vibration and noise for better crew comfort
Fuel System
- Electronically controlled unit injectors provide precise fuel delivery with
variable timing resulting in excellent fuel economy and excellent performance
- Self diagnostics and protection
Photographs may show non-standard equipment.
System data
Air system
Engine air flow - m 3 /min (ft 3 /min)
Exhaust system
Dry - mm (in)
Wet - mm (in)
Cooling system
Coolant flow - L/min (gal/min)
Sea water system
Pump flow - L/min (gal/min)
Fuel system
Governor type
Governor regulation - %
Total fuel flow - L/hr (gal/hr)
1800 rpm
1500 rpm
30.8 (1087.7)
20.9 (738.1)
152 (6.0)
203 (8.0)
152 (6.0)
203 (8.0)
339 (89.6)
283 (74.8)
389 (102.8)
324 (85.6)
Electronic
Isochronous or
Droop
147 (38.8)
Electronic
Isochronous or
Droop
131 (34.6)
Performance data
1800 rpm 1500 rpm
10% overload engine Power - kW (hp)
Prime engine power - kW (hp)
Low idle speed - rpm
BMEP - kPa (psi)
400 (536.4)
364 (488.1)
1000
24647 (3575)
338 (453.3)
307 (411.7)
1000
24622 (3571)
Performance data
Keel cooled
Hz (rpm)
Generator efficiency %
50 (1500)
60 (1800)
88-92
88-92
John Deere Power Systems
3801 W. Ridgeway Ave.
PO Box 5100
Waterloo, IA 50704-5100
Phone: 1-800-533-6446
Fax: 319.292.5075
Calculated gen-set rating
Power factor
(no fan)
---
John Deere Power Systems
Usine de Saran
La Foulonnerie - B.P. 11.13
45401 Fleury les Aubrais Cedex
France
Phone: 33.2.38.82.61.19
Fax: 33.2.38.82.60.00
---
0.8
0.8
kW
kVA
270-282
320-335
338-353
400-419
All values at rated speed and power with standard options unless otherwise noted.
Specifications and design subject to change without notice.
Litho in U.S.A. (12-01) © 2012 JOHN DEERE