Comparison · Wheel loader
Caterpillar 966 vs John Deere 844 P-Tier
The John Deere 844 P-Tier is about 48% heavier than the Caterpillar 966 (34,360 vs 23,189 kg), which usually means more stability and lifting capacity but higher transport weight.
The John Deere 844 P-Tier has about 38% more engine power (311 kW (417 hp) vs 226 kW (303 hp)).
Beyond the numbers, compare local dealer support, parts availability and resale value for Caterpillar and John Deere in your region: over the life of a machine they often matter more than small specification differences.
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| Operating weight | 23,189 kg (51,100 lb) | 34,360 kg (75,800 lb) |
| Engine power | 226 kW (303 hp) | 311 kW (417 hp) |
| Net power (ISO 9249) | 226 kW (303 hp) at 1,600 rpm | — |
| Breakout force | 173 kN (38,999 lbf) | — |
| Static tipping load, full 37° turn | 14,845 kg (32,727 lb); 15,977 kg without tyre deflection | — |
| Max. travel speed | 39.4 km/h (24.5 mph) | — |
| Hydraulic cycle time (total) | 10.1 s | — |
| Engine model | Cat C9.3B | — |
| Gross power (SAE J1995) | 242 kW (325 hp) | — |
| Net torque | 1,702 N·m (1,255 lbf·ft) at 1,200 rpm | — |
| Emissions | US EPA Tier 4 Final / EU Stage V / China Stage IV / Japan 2014 | US EPA Tier 4 Final / EU Stage V |
| Hinge pin height at max. lift | 4.24 m (13 ft 11 in) | — |
| Overall length without bucket | 7.42 m (24 ft 4 in) | — |
| Height to top of ROPS | 3.61 m (11 ft 10 in) | — |
| Standard tyres | 26.5R25 L3 radial | — |
| Fuel tank | 303 L (80.1 US gal) | — |
| DEF tank | 26 L (6.9 US gal) | — |
| Hydraulic tank | 114 L (30.1 US gal) | — |
| Net power | — | 311 kW (417 hp) at 1,400 rpm |
| Torque | — | 2,119 N·m (1,563 lbf·ft) |
| Bucket capacity | — | 4.8–6.1 m³ (6.3–8.0 yd³) |
| Bucket breakout force | — | ≈218 kN (48,929 lbf), dealer data |
| Engine | — | John Deere PowerTech PSS 6135 (13.5 L) |
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| Full 966 review | Full 844 P-Tier review |
Specifications are typical figures for standard configurations and may be measured differently by each manufacturer (for example net vs gross power). Always confirm with the manufacturer or dealer. Build another comparison.