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AR-EXP-CUMMINS-07-00 OWNERS MANUAL
Item Units
Type of Operation and Application
60 Hz 50 Hz
Prime Standby Prime Standby
Engine
Rated Speed rpm 1800 1500
Gross Engine Output bhp (kWm) 285 (213) 317 (237) 245 (183) 272 (203)
BMEP psi (kPa) 248 (1710) 276 (1902) 213 (1470) 237 (1632)
Mean Piston Speed Ft/s (m/s) 26.57 (8.1) 22.30 (6.8)
Cooling Sys-
tem
Ambient Air Temperature °F (°C) 122 (50)
Engine Heat Reject to Coolant BTU/min (kW) 4250 (74) 4725 (83) 4090 (72) 4420 (78)
Coolant Capacity Gal (L) 3.25 (12.3)
Standard Thermostat Range °F (°C) 180-203 (82-95)
Maximum Pressure Cap Psi (kpa) 10 (69)
Maximum coolant friction Psi (kpa) 5 (35) 4(28)
Fuel
System
Maximum fuel flow gal/h (L/h) 55 (208)
Fuel Type Diesel #2
Fuel Consumption @ 25% Power gal/hr (L/hr)
3.39 3.77 2.89 3.21
Fuel Consumption @ 50% Power gal/hr (L/hr)
6.78 7.55 5.78 6.42
Fuel Consumption @ 75% Power gal/hr (L/hr)
10.18 11.32 8.67 9.63
Fuel Consumption @ 100% Power gal/hr (L/hr)
13.57 15.09 11.56 12.83
Air Require-
ment
Combustion Air Flow ft
3
/min (L/s) 610 (289) 666 (314) 425 (200) 465 (220)
Air Intake Restriction clean filter In.H
2
O (kPa) 10(2.49)
Air Intake Restriction dirty filter In.H
2
O (kPa) 25 (6.22)
Exhaust Temperature °F (°C) 886 (474) 920 (493) 1037 (553) 1059 (571)
Maximun Allowable Back Pressure In.H
2
O (kPa) 3 (10.13)
Lubrication
System
Maximum oil temperature °F (°C) 250 (121)
Oil Pan Capacity gal (L) 5.0 (18.9)
Total Engine Oil Cap. w/filter gal (L) 6.3 (23.8)
Oil Filter Type Cartridge
Lube oil specifications grade SAE 15W - 40
Engine Elec-
tricals
Battery Charging Alternator Volts, Ground 12V, negative
Baterry Charging Alternator Rated amps 55
Recommended Battery Cold
Crank
CCA amps 1200 / 0 °F – 18 °C
Starter Motor Volts, Ground 12V, negative
Operation Temperature and Altidtude Losses %
For 1800 RPM: 4% per 1000 ft (300 m) and 3.3% per 10°F
(6% per 10°C)
For 1500 RPM: 4% per 1000 ft (300 m) and 8.3% per 10°F
(15% per 10°C)
ACUM210
INSTALLATION AND APPLICATION