Spec Sheet

MDG75DF4 | 4.5 L | 75 kVA
MOBILE DIESEL GENERATOR SET
EPA Emissions Certification: Final Tier 4
SPEC SHEET
5 of 6
Deration – Operational characteristics consider maximum ambient conditions. Derate factors may apply under atypical site conditions.
Please contact a Generac Mobile Authorized Service Dealer for additional details. All performance ratings in accordance with ISO3046, BS5514, ISO8528, ISO8665, SAE J1228,
SAE J1995, and DIN6271 standards.
POWER RATINGS
Standby: kW/kVA (A) Prime: kW/kVA (A)
1-phase, 120/240 VAC @ 1.0 pf* 55/55 (229) 55/55 (229)
3-phase, 120/208 VAC @ 0.8 pf 68/85 (236) 60/75 (208)
3-phase, 120/240 VAC @ 0.8 pf** 68/85 (204) 60/75 (180)
3-phase, 277/480 VAC @ 0.8 pf 68/85 (102) 60/75 (90)
3-phase, 346/600 VAC @ 0.8 pf*** 68/85 (81) 60/75 (75)
*Alternator limited.
**Power ratings achieved through use of optional 4-position phase switch.
***Power ratings achieved through use of optional VFLEX alternator.
FUEL AND DEF CONSUMPTION RATES
Load Fuel: gph (Lph) DEF: gph (Lph)
Standby Prime Standby Prime
25% 1.74 (6.61) 1.69 (6.37) NA NA
50% 2.85 (10.82) 2.63 (9.95) NA NA
75% 4.06 (15.38) 3.74 (14.18) NA NA
100% 5.33 (20.19) 4.85 (18.39) NA 0.22 (0.98)
OPERATING DATA
VFLEX ALTERNATOR SPECIFICATIONS
Make (Model) Marathon Electric (361PSL36113)
Poles – Qty 4
Field Type Rotating
Insulation Class – Rotor H
Insulation Class – Stator H
Total Harmonic Distortion <3.5%
Telephone Interference Factor <50
Standard Excitation Brushless
Bearings Single Bearing
Coupling Direct Flexible Disc
Prototype Short Circuit Test Yes
Voltage Regulator Type AVR
Quantity of Sensed Phases 1
Regulation Accuracy (Steady State) ±0.5%
APPLICATION AND ENGINEERING DATA (CONTINUED)