Manufacturer Dongfeng Cummins Engine Company Ltd.
Model :6BT5.9-G2
Engine speed :1500rpm
Engine power
--------------------Standby power: 92kw / 123HP
--------------------Base output power: 86kw / 115HP
Air intake way :turbo-charged
Cylinder quantity: 6
Bore * Stroke :102*120mm
Displacement :5.9L
Fuel system :A pump_ GAC governor/ BYC ASIMCO
Speed-droop: 5%
Low idle: 750-950 rpm

Piston speed :6.0 m/s

Friction energy output: 12.7 kw

Exhaust system
Max. back pressure 

76 mmHg
Diameter of exhaust pipe recommended 75mm
Exhaust flow (base output _ standby power) 250 _ 280 L/sec
Exhaust temperature (base output _ standby power) 526 _ 565 ℃
Air intak system
Max. air intake resistance
---------Dirty filter 635 mmH2O
---------Normal air cleaner and clean filter 254 mmH2O
---------Heavy duty cleaner and clean filter 381 mmH2O
Diameter of intake pipe recommended 100 mm
Air intake flow (base output _ standby power) 100 _ 108 L/sec
Lubrication system
Normal oil pressure range
-----------Low idle 207 kPa
-----------Rated speed 345 kpa
Max. oil temperature permitted in oil pan 121 ℃
Oil pan capacity (Max_ Min) 14.2 _ 12.3 L
Lubrication system Min. capacity (oil pan + oil filter) 16.4 L
Usage inclining degree permitted (any direction) 40 °
Fuel system
Fuel injection pump model A pump_ electrical governor
Max. fuel input resistance of transfer pump 102 mmHg
Max. overflow fuel resistance at overflow pipe of injector 254 mmH

Total fuel overflow amount 202 L/h
Cooling system
Coolant capacity – engine only 9.9L
Max. coolant cycling resistance exterior engine 28 kPa
Thermostat adjusting temperature (range) 82_95 ℃
Min. opening pressure of radiator cap 69 kPa
Max. coolant temperature permitted(standby power_ Base
output power)
104 _ 100 ℃
Engine coolant flow (base output _ standby power) 2.0 _ 2.0 L/sec
Coolant energy output (base output _ standby power) 49 _ 55 kW
Electric system
Starter 12V 24V
Battery charging system 63A 40A
Max. starting circuit resistance 0.00075 Ω 0.002 Ω
Min. battery capacity_ -12℃(CCA: cold cranking Ampere) 800 CCA 400 CCA