Engine YaMZ-7E846

The YaMZ-7E846 engine is a diesel, turbocharged, V-shaped, 8-cylinder four-stroke engine for sports trucks produced by the Yaroslavl Motor Plant since 1994. In 2014, it was discontinued at the Yaroslavl Motor Plant. Continued to produce serially improved versions of the YaMZ-7E846 at TMZ (Tutaev, Yaroslavl region) under the designation TMZ-7E846 and TMZ-7E846.10-07, respectively.

Specifications

Also called YAMZ-7E846 YAMZ-7E846.10-07
Manufacturer JSC «Autodiesel»
Engine’s type diesel
Displacement 17 241 cm3 18 472 cm3
Max power output 750 hp at 2500 rpm 850 hp at 2500 rpm
Max torque output 2700 Nm, at 1200-1400 rpm 3100 Nm, at 1200-1400 rpm
Configuration V
Number of cylinders 8
Valves 32
Euro standards Euro 2 Euro 3
Piston stroke 140 mm 150 mm
Cylinder bore 140 mm 140 mm
Compression ratio 17,5
Fuel system low pressure fuel priming pump and high pressure fuel pump, direct injection
Cooling water
Valvetrain OHV
Cylinder block alloy cast iron
Cylinder head material cast iron
Engine lifespan 30 thousand km
Strokes of engine 4
Firing order 1-5-4-2-6-3-7-8
Fuel type diesel

Motors of KAMAZ-master trucks

The YaMZ-7E846 engine was serially installed on the KamAZ-49221, KamAZ-4911 “Extreme”, KamAZ-4326-9 sports trucks, took part in the Dakar rally and many other truck competitions.

KamAZ-4911 Extreme with a YaMZ-7E846 engine is capable of speeds up to 180 km/h, accelerating to 100 km/h in just 16 seconds. Fuel consumption when driving at full load off-road and a speed of 120 km / h per 100 km is an impressive 100 liters.

Machine Years Engine Configuration Volume Power Torque
KAMAZ 4310 S 1988-1995 KAMAZ-7403 Diesel, turbo, V8 10.85 l 305 hp 1050 Nm
KAMAZ 49251 1994-1995 Cummins N14-500E Diesel, turbo, L6 14.01 l 520 hp 1700 Nm
KAMAZ 49252 1994-2003 YAMZ 7E846 Diesel, turbo, V8 17.24 L 750 hp 2700 Nm
KAMAZ 49255 1997-1998 YAMZ 3E847 Diesel, turbo, V12 25.86 L 1050 hp 3724 Nm
KAMAZ 49256 2001-2002 YAMZ 7E846.10 Diesel, turbo, V8 17.24 L 830 hp 2700 Nm
KAMAZ 4911 2002-2007 YAMZ 7E846.10 Diesel, turbo, V8 17.24 L 850 HP 2700 Nm
KAMAZ 4326 2007-2013 YAMZ / TMZ 7E846.1007 Diesel, turbo, V8 18.47 L 850 HP 2700 Nm
KAMAZ 4326/2013 2013-present Liebherr D9508 Diesel, turbo, V8 16.16 l 920 hp 4200 Nm
GKP * 2015-2016 Caterpillar C13 (Buggyra) Diesel, turbo, L6 12,5 l 980 hp 4000 Nm
KAMAZ 4326/2017 2017-present Cummins ISZ-13 Diesel, turbo, L6 13 l 980 hp 4300 Nm

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