The Caterpillar 966G II is a wheel loader designed for material handling, stockpiling, truck loading, and general earthmoving applications. Built by Caterpillar, the 966G II is part of the 966-series loader line and is commonly used in construction, quarry, aggregate, and industrial site operations. It features a front-mounted loader bucket, articulated steering, and a heavy-duty chassis for loading and transport tasks. The machine is typically selected for its balance of lifting capacity, breakout force, and cycle efficiency. The Caterpillar 966G II remains a recognized model in the used equipment market for medium to heavy-duty wheel loader applications.
Axles
Caterpillar 966G II Wheel Loader Axles specifications
Front
Fixed front
Maximum Single-Wheel Rise And Fall
19.80 in (50.29 cm)
Rear
Oscillating +/-13?
Brakes
Caterpillar 966G II Wheel Loader Brakes specifications
Brakes
Meets required standards.
Buckets
Caterpillar 966G II Wheel Loader Buckets specifications
Bucket Capacities
3.5-4.25 m3 (4.5-5.5 yd3)
Cab
Caterpillar 966G II Wheel Loader Cab specifications
Rops/Fops
Meets SAE and ISO standards
Engine
Caterpillar 966G II Wheel Loader Engine specifications
Bore
4.90 in (12.45 cm)
Displacement
629.00 cu in (10,307.49 cu cm)
Engine Model
Caterpillar 3176C with ATAAC
Flywheel Power
246.00 hp (183.45 kw)
Maximum Flywheel Power
260.00 hp (193.89 kw)
Net Power - 80/1269/Eec
259.00 hp (193.14 kw)
Net Power - Iso 9249
259.00 hp (193.14 kw)
Peak Torque - 1,200 Rpm - Net
896.00 lbs ft (1,214.80 nm)
Stroke
5.50 in (13.97 cm)
Total Torque Rise
49 %
Hydraulic System
Caterpillar 966G II Wheel Loader Hydraulic System specifications
Bucket/Work Tool System - Relief Valve Setting
3000 psi
Hydraulic Cycle Time - Dump
1.4 s
Hydraulic Cycle Time - Lower, Empty, Float Down
1.8 s
Hydraulic Cycle Time - Raise
6.9 s
Hydraulic Cycle Time - Total
10.1 s
Pilot System - Pump Output
12.00 gpm (45.42 lpm)
Pilot System - Working Pressure - E/H
500 psi
Pilot System - Working Pressure - Pilot
375 psi
Operational
Caterpillar 966G II Wheel Loader Operational specifications
Operating Weight
50,400.00 lbs (22,861.08 kg)
Service Refill Capacities
Caterpillar 966G II Wheel Loader Service Refill Capacities specifications
Cooling System
21.00 gal (79.49 l)
Crankcase
9.00 gal (34.07 l)
Differential - Final Drives - Front
17.00 gal (64.35 l)
Differential - Final Drives - Rear
17.00 gal (64.35 l)
Fuel Tank - Standard
100.40 gal (380.01 l)
Hydraulic System - Including Tank
55.00 gal (208.18 l)
Hydraulic Tank
37.00 gal (140.05 l)
Transmission
13.00 gal (49.21 l)
Transmission
Caterpillar 966G II Wheel Loader Transmission specifications
Forward - 1
4.50 mph (7.24 kph)
Forward - 2
7.80 mph (12.55 kph)
Forward - 3
13.50 mph (21.73 kph)
Forward - 4
23.10 mph (37.18 kph)
Reverse - 1
5.10 mph (8.21 kph)
Reverse - 2
8.90 mph (14.32 kph)
Reverse - 3
15.30 mph (24.62 kph)
Reverse - 4
23.90 mph (38.46 kph)
Weights
Caterpillar 966G II Wheel Loader Weights specifications
Operating Weight
50,400.00 lbs (22,861.08 kg)
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