| Manufacturer | Caterpillar |
| Model | 279D3 |
| Type | Compact track loader |
| Lift Design | Radial |
| Years Made | 2021-2026 |
Operating Specifications
| US | Metric | |
|---|---|---|
| Horsepower | 74.3 HP | 55.4 kW |
| Lifting Capacity (35% Tipping) | 2220 lbs | 1010 kg |
| Lifting Capacity (50% Tipping) | 3170 lbs | 1445 kg |
| Operating Weight | 10,095 lbs | 4579 kg |
| Tipping Load | 6345 lbs | 2885 kg |
| Lift Breakout Force | ||
| Tilt Breakout Force | 7285 lbs | 3304 kg |
| Max. Travel Speed | 8.3 mph | 13.3 km |
| Ground Pressure | 4.4 psi | 30.4 kPa |
Cycle Time
| Raise Lift Arms | |
| Lower Lift Arms | |
| Bucket Rollback | |
| Bucket Dump |
Hydraulic System
| US | Metric | |
|---|---|---|
| Pump Flow | 23.0 GPM | 87.1 LPM |
| Relief Pressure | 3335 psi | 230.0 Bar |
| High Flow – XPS | 32.0 GPM | 121.1 LPm |
| Hydraulic Capacity | 13.7 gal | 51.9 L |
Engine Specs
| Manufacturer | Cat |
| Model | C3.3B DIT |
| Type | Diesel |
| Cylinders | 4 |
| Emissions | Tier 4 Final |
| Rated Speed | 2400 RPM |
| Torque Power | 1500 RPM |
| Combustion | Direct injection |
| Compression Ratio | 17:1 |
| Firing Order | 1-3-4-2 |
| US | Metric | |
|---|---|---|
| Gross Power | 74.3 HP | 55.4 kW |
| Net Power | 73.2 HP | 54.6 kW |
| Displacement | 203 cu in. | 3327 cc |
| Bore | 3.7 in. | 9.4 cm |
| Stroke | 4.7 in. | 12.0 cm |
| Peak Torque | 265 ft-lb | 359.3 N∙m |
| Coolant Capacity | 3.7 gal | 14.0 L |
| Engine Oil Capacity | 3.0 gal | 11.4 L |
| Fuel Tank Capacity | 27.7 gal | 93.9 L |
Dimensions
| US | Metric | |
|---|---|---|
| Height | 83.2 in. | 211.3 cm |
| Bucket Hinge Pin | 124.9 in. | 317.2 cm |
| Width | 78.0 in. | 198.1 cm |
| Length | 146.2 in. | 371.3 cm |
| Dump Height | 97.8 in. | 248.4 cm |
| Dump Reach | 22.6 in. | 57.4 cm |
| Ground Clearance | 8.9 in. | 22.6 cm |
| Dump Angle | 39° |
| Rollback Angle | |
| Departure Angle | 32° |
Undercarriage
| US | Metric | |
|---|---|---|
| Track Width | 15.7 in. | 39.9 cm |
| Track Length | 117.9 in. | 299.5 cm |
| Ground Contact Length | 64.2 in. | 163.1 cm |
