Caterpillar 770 Truck Service Repair Manual Bzz

Caterpillar 770 Truck Service Repair Manual Bzz

Manual Covers:
All Models/Engines/Trim/Transmissions Types Are Covered.

Power Train – Engine
Technology is built for power, reliability and efficiency for superior performance in the toughest applications. Caterpillar 770 Truck Service Repair Manual Bzz

Overhead Cam.
A single overhead cam is driven by gears on the front of the engine, which significantly reduce noise and vibration. Caterpillar also has added two pendulum absorbers, mounted at the front of the camshafts to further reduce noise and vibration.

Pistons, Connecting Rods, Cylinder Liners.
Caterpillar 770 Truck Service Repair Manual Bzz New design and material improvements to the pistons, rods and liners have been made to support the higher cylinder pressures and the 18:1 compression ratios associated with ACERT Technology, while still providing durability to engine overhaul. A single-piece steel piston, pulsator-tested to 25 560 kPa (4,000 psi), is matched to a robust connecting rod to ensure long component life.

The piston’s steel skirt increases its durability and results in reduced thermal expansion, allowing a tighter piston fit and reduced liner vibration. The overall piston surface area reduces friction and enhances fuel economy.

Caterpillar 770 Truck Service Repair Manual Bzz

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Caterpillar 770 Truck Service Repair Manual Bzz The newly designed connecting rod allows better lubrication and cooling and is more securely fastened to the crankshaft using two additional bolts. The new improved rod bearings are made of steel backed copper alloy with lead tin overlay. This new metallurgy reduces flaking and offers better fatigue strength. Cylinder liners are wet liners made of compacted graphite and iron for excellent wear and strength characteristics. Also, the tolerances between the pistons and the wet cylinder liners have been tightened to unprecedented levels for reduced blow-by and higher efficiency.

Caterpillar 770 Truck Service Repair Manual Bzz