D3C, D4C AND D5C SERIES III TRACTORS HYDRAULICS Caterpillar

Hydraulic Pump

Usage:

Rotation is counterclockwise when seen from drive end.

Type of pump: Gear.

For bench test, use SAE 10W oil at 65°C (150°F).

Test At Full Speed:

Output ... 46 liter/min (12 gpm)

With pump at ... 2000 rpm

At a pressure of ... 690 kPa (100 psi)

Output ... 45 liter/min (12 gpm)

With pump at ... 2000 rpm

At a pressure of ... 6900 kPa (1000 psi)

Test At Half Speed:

Output ... 23 liter/min (6 gpm)

With pump at ... 1000 rpm

At a pressure of ... 690 kPa (100 psi)

Output ... 21 liter/min (5.5 gpm)

With pump at ... 1000 rpm

At a pressure of ... 6900 kPa (1000 psi)

Caterpillar Information System:

D3C, D4C AND D5C SERIES III TRACTORS HYDRAULICS Introduction

D3C, D4C AND D5C SERIES II TRACTORS POWER TRAIN Transmission Oil Filter (3F/3R Power Shift)

D3C, D4C AND D5C SERIES II TRACTORS POWER TRAIN Transmission (3F/3R Power Shift)

D3C, D4C AND D5C SERIES II TRACTORS POWER TRAIN Transmission

D3C, D4C AND D5C SERIES II TRACTORS POWER TRAIN Torque Converter Clearance Checks (3F/3R Power Shift)

D3C, D4C AND D5C SERIES II TRACTORS POWER TRAIN Torque Converter (3F/3R Power Shift)

D3C, D4C AND D5C SERIES II TRACTORS POWER TRAIN Transfer Gears (3F/3R Power Shift)

D3C, D4C AND D5C SERIES II TRACTORS POWER TRAIN Transmission Hydraulic Control Valves (3F/3R Power Shift)

D3C, D4C AND D5C SERIES II TRACTORS POWER TRAIN Transmission Oil Pump & Pump Drive Gear (3F/3R Power Shift)

D3C, D4C AND D5C SERIES II TRACTORS POWER TRAIN Bevel Gear & Pinion

D3C, D4C AND D5C SERIES II TRACTORS POWER TRAIN Final Drive Pinions

D3C, D4C AND D5C SERIES II TRACTORS POWER TRAIN Steering Clutch Hub Couplings

D3C, D4C AND D5C SERIES III TRACTORS HYDRAULICS Control Valve Group

D3C, D4C AND D5C SERIES III TRACTORS HYDRAULICS Relief Valve Adjustment

D3C, D4C AND D5C SERIES III TRACTORS HYDRAULICS Control Valve, Lift

D3C, D4C AND D5C SERIES III TRACTORS HYDRAULICS Control Valve, Tilt and Angle

D3C, D4C AND D5C SERIES III TRACTORS HYDRAULICS Control Valve, Ripper

D3C, D4C AND D5C SERIES III TRACTORS HYDRAULICS Control Valve Group

D3C, D4C AND D5C SERIES III TRACTORS HYDRAULICS Hydraulic Tank And Filter

D3C, D4C AND D5C SERIES III TRACTORS HYDRAULICS Blade Lift Cylinder (All Except 8DL)

D3C, D4C AND D5C SERIES III TRACTORS HYDRAULICS Blade Lift Cylinder (8DL1-Up)

D3C, D4C AND D5C SERIES III TRACTORS HYDRAULICS Tilt Cylinder (All Except 8DL)

D3C, D4C AND D5C SERIES III TRACTORS HYDRAULICS Blade Angle Cylinder (All Except 6SL)

D3C, D4C AND D5C SERIES III TRACTORS HYDRAULICS Blade Angle Cylinder (6SL1-Up)