SOURCED MODEL TECHNICAL DATA

Caterpillar Cat 966 GC Current published configuration Oil, Fluid Capacities & Technical Data

Caterpillar Cat 966 GC Current published configuration — Fuel tank: 320 L · DEF tank: 26 L · Cooling system: 53 L Sources, symptoms, measurements and verification on one page.

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Quick answers

What is the fuel capacity of Caterpillar Cat 966 GC Current published configuration?

320 L

The cited OEM source lists Fuel tank for Caterpillar Cat 966 GC Current published configuration as 320 L.

What is the DEF / AdBlue capacity of Caterpillar Cat 966 GC Current published configuration?

26 L

The cited OEM source lists DEF tank for Caterpillar Cat 966 GC Current published configuration as 26 L.

What is the coolant capacity of Caterpillar Cat 966 GC Current published configuration?

53 L

The cited OEM source lists Cooling system for Caterpillar Cat 966 GC Current published configuration as 53 L.

What is the Engine/crankcase oil value for Caterpillar Cat 966 GC Current published configuration?

23 L

The cited OEM source lists Engine/crankcase oil for Caterpillar Cat 966 GC Current published configuration as 23 L.

What is the hydraulic capacity or reference value for Caterpillar Cat 966 GC Current published configuration?

101 L

The cited OEM source lists Hydraulic tank for Caterpillar Cat 966 GC Current published configuration as 101 L.

What is the Transmission value for Caterpillar Cat 966 GC Current published configuration?

55 L

The cited OEM source lists Transmission for Caterpillar Cat 966 GC Current published configuration as 55 L.

What is the Front differential value for Caterpillar Cat 966 GC Current published configuration?

57 L

The cited OEM source lists Front differential for Caterpillar Cat 966 GC Current published configuration as 57 L.

What is the Rear differential value for Caterpillar Cat 966 GC Current published configuration?

57 L

The cited OEM source lists Rear differential for Caterpillar Cat 966 GC Current published configuration as 57 L.

Quick technical specification

Main hydraulic flow

327 L/min

Hydraulic max pressure

27900 kPa

Hydraulic cycle time

10.1 s

3rd function flow

240 L/min

3rd function pressure

22780 kPa

Oil, fluids, energy and capacities

Fuel tank

320 L

DEF tank

26 L

Cooling system

53 L

Engine/crankcase oil

23 L

Hydraulic tank

101 L

Transmission

55 L

Front differential

57 L

Rear differential

57 L

Expected values / measurement references

Main hydraulic flow

327 L/min

Hydraulic max pressure

27900 kPa

Hydraulic cycle time

10.1 s

3rd function flow

240 L/min

Model-specific OEM reference checks

Cat 966 GC Current published configuration: OEM-published Main hydraulic flow reference is 327 L/min. Measurement/evaluation on the same configuration should use this published value as context; obtain any service tolerance from the VIN/serial-matched OEM procedure.

Cat 966 GC Current published configuration: OEM-published Hydraulic max pressure reference is 27900 kPa. Measurement/evaluation on the same configuration should use this published value as context; obtain any service tolerance from the VIN/serial-matched OEM procedure.

Cat 966 GC Current published configuration: OEM-published Hydraulic cycle time reference is 10.1 s. Measurement/evaluation on the same configuration should use this published value as context; obtain any service tolerance from the VIN/serial-matched OEM procedure.

Cat 966 GC Current published configuration: OEM-published 3rd function flow reference is 240 L/min. Measurement/evaluation on the same configuration should use this published value as context; obtain any service tolerance from the VIN/serial-matched OEM procedure.

Diagnostic entry symptoms

Slow hydraulic functions or stalling under load

High oil temperature, cavitation noise or erratic movement

Asymmetric travel/swing power

Measurement and test approach

Measure main-pump flow and service-port pressure against the manufacturer-published maximum flow/pressure reference at the specified oil temperature and test condition.

Correlate requested pump displacement, engine load, pilot pressure and actuator speed during the same function event.

Root-cause discrimination

Differentiate pump wear from main-valve leakage/setting faults by evaluating stall/deadhead testing with flow and case-drain findings; use OEM procedure for safe limits.

DTC / SPN / FMI context

On electronically controlled pump/valve machines, do not condemn a sensor/solenoid without physical pressure/flow confirmation.

Post-repair verification

Recheck cycle time, pressure/flow, drift and leakage behavior cold and at operating temperature.

Electrical and network

Cat 966 GC: Evaluate engine ECU, machine controller, pump/valve control and CAN/J1939 network together.

Sensors, actuators and observation points

Cat 966 GC: Main-pump pressure/flow control.

Cat 966 GC: Pump displacement / swashplate command.

Cat 966 GC: Pilot-pressure sensor.

Cat 966 GC: Main-control-valve spool/solenoid commands.

Cat 966 GC: Travel/swing pressure and speed feedback.

Cat 966 GC: Hydraulic-oil temperature.

OEM primary sources

Continue with related models and classes

Technical data centers

Evidence boundary

Only exact values published by the cited source are shown numerically. Pins, torque, pressure, resistance or service thresholds not publicly published are not invented; use the VIN/model-year/calibration-matched OEM service procedure.

Sources & freshness

Sources & freshness

Exact technical values, prices and failure rates are not invented without verified vehicle/manufacturer evidence.

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