Engine KamAZ 820

Engine KamAZ 820

KamAZ 820 is a family of 4-stroke V-shaped 8-cylinder liquid-cooled gas engines, turbocharged with ONV, with non-contact spark ignition, with an electronic distributed gas injection control system using electromagnetic dispensers manufactured by PJSC KamAZ.

Gas engines KamAZ 820.60 and KamAZ 820.61 have no structural differences: 820.60 is installed on KamAZ vehicles, and 820.61 on the chassis of NefAZ buses.

KamAZ 820.70 is an 8-cylinder gas engine with a capacity of 240 hp. ecological standard Euro-4, with individual aluminum heads, turbocharging, ONV, electronic control and exhaust gas aftertreatment system. The resource is 800 thousand km of run as part of mainline vehicles.

Specifications KamAZ 820.60 and KamAZ 820.61

Engine model 820.60-260 820.61-260
Configuration V-8
Cylinder bore, mm 120
Piston stroke, mm 130
Displacement, liters 11,762
Compression ratio 12,0±0,4
Maximum net power according to the UNECE Regulations № 85-00, rated power net according to GOST 14846-81, hp 260
Rated engine speed, rpm 2200±50
Max. torque according to the UNECE Regulations № 85-00, maximum torque output net by GOST 14846-81, kgf×m 110 95
Engine speed at max. torque, rpm 1400±100
Firing order 1-5-4-2-6-3-7-8
Minimum specific gas consumption (according to external speed characteristic), gram/(1hp×hour) 154
Oil consumption for waste at rated power mode, gram/(1hp×hour), not more than 0,33
Weight (dry), kg 885
Dimensions: length*weight*height, mm 1314*939*1152

Specifications KamAZ 820.70

Engine model 820.72-240 820.73-300 820.74-300
Configuration V-8
Cylinder bore, mm 120
Piston stroke, mm 130
Displacement, liters 11,762
Compression ratio 12,0±0,4
Maximum net power according to the UNECE Regulations № 85-00, rated power net according to GOST 14846-81, hp 240 300 300
Rated engine speed, rpm 1900±50
Max. torque according to the UNECE Regulations № 85-00, maximum torque output net by GOST 14846-81, kgf×m 110 140 125
Engine speed at max. torque, rpm 1300±100
Firing order 1-5-4-2-6-3-7-8
Minimum specific gas consumption (according to external speed characteristic), gram/(1hp×hour) 154
Oil consumption for waste at rated power mode, gram/(1hp×hour), not more than 0,17
Weight (dry), kg 885
Dimensions: length*width*height, mm 1314*939*1152

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