Contents
Loader Performance
| Tipping Load | 5870 lb (2663 kg) |
| Rated Operating Capacities – 50% Tipping Load | 2935 lb (1331 kg) |
| Rated Operating Capacities – 35% Tipping Load | 2055 lb (932 kg) |
| Rated Operating Capacity w/ Optional Counterweight | 3185 lb (1444 kg) |
| Breakout Force – Tilt Cylinder | 7285 lbf (32.4 kN) |
| Bucket Width (Standard) | 78 in (1981 mm) |
| Bucket Width, Utility (Optional) | 62 in (1576 mm) |
| Bucket Width, Utility (Optional) | 68 in (1730 mm) |
| Bucket Width, Utility (Optional) | 74 in (1883 mm) |
| Bucket Width, Low Profile (Optional) | 80 in (2045 mm) |
Dimensions
| 1. Length of Track on Ground | 64.2 in (1630 mm) |
| 2. Overall Length of Track | 83.8 in (2129 mm) |
| 3. Length without Bucket | 117.9 in (2995 mm) |
| 4. Length with Bucket on Ground | 146.2 in (3714 mm) |
| 5. Height to Top of Cab | 83.2 in (2113 mm) |
| 6. Maximum Overall Height | 159.5 in (4051 mm) |
| 7. Bucket Pin Height at Maximum Lift | 124.9 in (3173 mm) |
| 8. Bucket Pin Height at Carry Position | 7.8 in (198 mm) |
| 9. Reach at Maximum Lift and Dump | 22.6 in (575 mm) |
| 10. Clearance at Maximum Lift and Dump | 97.8 in (2485 mm) |
| 11. Ground Clearance | 8.9 in (226 mm) |
| 12. Departure Angle | 32° |
| 13. Maximum Dump Angle | 39° |
| 14. Vehicle Width (400 mm/15.7 in tracks) | 76.0 in (1931 mm) |
| 14. Vehicle Width (450 mm/17.7 in tracks) | 78.0 in (1981 mm) |
| 15. Turning Radius from Center – Machine Rear | 70.7 in (1796 mm) |
| 16. Turning Radius from Center – Coupler | 55.5 in (1410 mm) |
| 17. Turning Radius from Center – Bucket | 88.8 in (2256 mm) |
| 18. Maximum Reach with Arms Parallel to Ground | 54.0 in (1373 mm) |
| 19. Rack Back Angle at Maximum Height | 84° |
Weight
| Operating Weight | 9893 lb (4487 kg) |
| Max Operating Weight | 10043 lb (4555 kg) |
| Counterweight (each) | 75 lb (34 kg) |
Engine Details
| Number of Cylinders | 4 |
| Engine Make | Caterpillar |
| Engine Model | Cat C3.3B DIT (turbo) |
| Displacement | 203 cu in (3.3 L) |
| Bore | 3.7 in (94 mm) |
| Stroke | 4.7 in (120 mm) |
| Gross Power | 74.3 hp (55.4 kw) |
| Net Power | 72.9 hp (54.4 kw) |
| Power Measured @ | 2400 rpm |
| Peak Torque | 195 lb ft (265 Nm) |
| Torque Measured @ | 1500 rpm |
| Aspiration | Turbocharged aftercooled |
| Emission Standards | US EPA Tier 4 Final + EU Stage IIIB |
Operational Specs
| Operating Weight | 9892 lb (4487 kg) |
| Max Lift Capacity | 3185 lb (1444 kg) |
| Operating Voltage | 12 V |
| Alternator | 80 amps |
| Battery | 12 V, CCA 880 |
| ROPS | ISO 3471:2008 |
| FOPS | ISO 3449:2005 Level I |
| FOPS Level Ii | ISO 3449:2005 Level II |
| Seat Belt (Standard) | 2 in (50 mm) |
| Seat Belt (Optional) | 3 in (75 mm) |
| Noise Level (Inside Cab) | 81 dB(A) |
| Noise Level (Outside Cab) | 103 dB(A) |
Comfort Packages
| C0 Package | Open ROPS: static seat (no foot throttle, headliner, heater or door) |
| C1 Package | Open ROPS: foot throttle, headliner, cup holder, and choice of seat (mechanical suspension or high back, heated, air ride seat) (no heater or door) |
| C2 Package | Enclosed ROPS with Heater: foot throttle, headliner, heater and defroster, side windows, cup holder, radio ready, choice of seat (mechanical suspension or high back, heated, air ride seat) and door (glass or polycarbonate) |
| C3 Package | Enclosed ROPS with A/C: C2 Package + Air conditioner |
Power Train
| Type | Hydrostatic Transmission |
| Number of Gears | Two Speed Travel |
| Max Travel Speed, 1st Speed | 4.5 mph (7.2 km/h) |
| Max Travel Speed, 2nd Speed | 7.0 mph (11.3 km/h) |
| Parking Brake | Spring applied, hydraulically released, wet multi disc parking brakes |
| Suspension | 4x independent torsion axles |
Undercarriage
| Length of Track on Ground | 64.2 in (1630 mm) |
| Undercarriage Width, 15.7 in (400 mm) Tracks | 76.0 in (1931 mm) |
| Undercarriage Width, 17.7 in (450 mm) Tracks | 78.0 in (1981 mm) |
| Ground Contact Area, 15.7 in (400 mm) Tracks | 2015 in2 (1.30 m2) |
| Ground Contact Area, 17.7 in (450 mm) Tracks | 2272 in2 (1.47 m2) |
| Ground Pressure, 15.7 in (400 mm) Tracks | 4.9 psi (33.9 kPa) |
| Ground Pressure, 17.7 in (450 mm) Tracks | 4.4 psi (30.0 kPa) |
Hydraulic System
| Performance Package H1 | Standard Flow hydraulics (no self level) |
| Performance Package H2 | Standard Flow hydraulics, dual direction electronic self level (raise and lower), electronic snubbing (raise and lower) |
| Performance Package H3 | High Flow XPS, dual direction electronic self level (raise and lower), electronic snubbing (raise and lower) |
| Standard Pump Flow | 23 gal/min (86 L/min) |
| Standard Relief Valve Pressure | 3335 psi (23000 kPa) |
| Hydraulic Power (calculated) | 44 hp (33 kw) |
| High Flow XPS Capacity | 32 gal/min (121 L/min) |
| High Flow XPS Relief Valve Pressure | 4061 psi (28000 kPa) |
| High Flow XPS Hydraulic Power (calculated) | 76 hp (57 kw) |
Service Refill Capacities
| Fuel Tank Capacity | 24.8 gal (94 L) |
| Engine Crankcase | 3 gal (11.4 L) |
| Cooling System Capacity | 3.7 gal (14 L) |
| Hydraulic System Capacity | 13.7 gal (52 L) |
| Hydraulic Tank Capacity | 10.3 gal (39 L) |
| Track Roller Capacity (each) | 0.06 gal (0.24 L) |
| Final Drive Oil Capacity (each) | 0.26 gal (1 L) |
The Caterpillar 279D Compact Track Loader is designed for versatility across a broad range of applications – from heavy construction and landscaping to snow removal and agriculture. Its compatibility with an extensive lineup of Cat® attachments allows operators to customize the machine for maximum productivity and jobsite flexibility.
Whether you’re sweeping debris, excavating trenches, handling bulk material, or managing feedstock, the CAT 279D’s powerful hydraulic system and precision control ensure top-tier performance with each attachment. Popular options include angle brooms for surface cleanup, backhoes for digging and trenching, grapple buckets and rakes for irregular debris, performance and light material buckets for material handling, and a variety of specialty tools such as silage defacers, utility brooms, and skeleton buckets. Designed with productivity in mind, each attachment integrates seamlessly with the 279D’s high-flow hydraulics and quick coupler system – making attachment changes fast and efficient to keep your operation moving forward.
