Spec Sheet
MDG175DF4 | 6.8 L | 175 kVA
MOBILE DIESEL GENERATOR SET
EPA Emissions Certification: Final Tier 4
SPEC SHEET
4 of 6
General
Make (Model) John Deere (6068HFG05)
EPA Emissions Compliance Final Tier 4
After Treatment System DOC and SCR
Cylinders – Qty 6
Type In-Line
Displacement – in
3
(L) 415 (6.8)
Bore – in (cm) 4.2(10.6)
Stroke – in (cm) 5.0 (12.7)
Compression Ratio 17.2:1
Intake Air Method Turbocharged, After-Cooled
Engine Governing
Governor Electronic
Frequency Regulation (Steady State) 2%
Lubrication System
Oil Pump Type Gear
Oil Filter Type Spin-On Cartridge
Crankcase Capacity – qt (L) 34.3 (32.5)
Cooling System
Cooling System Type Pressurized Closed
Water Pump Type Engine Belt Driven
Fan Type Pusher
Fan Speed – rpm Variable Speed Clutch
Fan Diameter – in (cm) 28 (71)
Cooling System Capacity – qt (L) 44 (42)
Fuel System
Fuel Type Ultra Low Sulfur Diesel
Fuel Specifications EN 590 / ASTM D975
Fuel Filtering – µ Primary: 10
Final: 2
Fuel Inject Pump – Make (Model) Denso (HP6)
Fuel Pump Type Engine Gear Driven
Injector Type Electronic
Engine Type Direct Injection High Pressure Common Rail
Fuel Supply Line Diameter – in (mm) 0.375 (9.5)
Fuel Return Line Diameter – in (mm) 0.375 (9.5)
Engine Electrical System
System Voltage – VDC 12
Battery Size – CCA 1,000
Battery – V (Qty) 12 (1)
Ground Polarity Negative (-)
APPLICATION AND ENGINEERING DATA
ENGINE SPECIFICATIONS
ALTERNATOR SPECIFICATIONS
Make (Model) Marathon Electric (431CSL6202)
Poles 4
Field Type Rotating
Insulation Class – Rotor H
Insulation Class – Stator H
Total Harmonic Distortion <5%
Telephone Interference Factor <50
Standard Excitation Brushless
Bearings Double Shielded, Prelubricated
Coupling Direct Flexible Disc
Prototype Short Circuit Test Yes
Voltage Regulator Type AVR
Quantity of Sensed Phases 1
Regulation Accuracy (Steady State) ±0.5%
SUPERSTART ALTERNATOR SPECIFICATIONS
Make (Model) Marathon Electric (432CSL6212)
Poles 4
Field Type Rotating
Insulation Class – Rotor H
Insulation Class – Stator H
Total Harmonic Distortion <5%
Telephone Interference Factor <50
Standard Excitation Brushless
Bearings Double Shielded, Prelubricated
Coupling Direct Flexible Disc
Prototype Short Circuit Test Yes
Voltage Regulator Type AVR
Quantity of Sensed Phases 1
Regulation Accuracy (Steady State) ±0.5%






