279D Compact Track Loader
The Cat 279D Compact Track Loader, with its radial lift design, delivers impressive mid-lift reach and excellent digging performance with outstanding drawbar power. Its standard, suspended undercarriage system provides superior traction, flotation, stability and speed to work in a wide range of applications and underfoot conditions.
- Technical Specs
- Engine Model
- Cat C3.3B DIT (turbo)
- Net Power
- 72.9 hp
- Gross Power
- 74.3 hp
- Gross Power SAE J1995
- 74.3 hp
- Net Power SAE 1349
- 72.9 hp
- Displacement
- 203.0 in3
- Bore
- 3.7 in
- Stroke
- 4.7 in
- Net Power ISO 9249
- 73.7 hp
- Peak Torque at 1,500 rpm SAE J1995
- 195 lbf-ft
- Operating Weight
- 9893 lb
- Note
- Operating Weight, Operating Specifications and Dimensions all based on 75 kg (165 lb) operator, all fluids, two speed, OROPS, 1981 mm (78 in) dirt bucket, 400 mm (15.7 in) tracks, dual flange front idler/single flange rear idler, standard flow hydraulics,
- Tipping Load
- 5870.0 lb
- Breakout Force, Tilt Cylinder
- 7285.0 lb
- Rated Operating Capacity: 50% Tipping Load
- 2935.0 lb
- Rated Operating Capacity: 35% Tipping Load
- 2055.0 lb
- Rated Operating Capacity with Optional Counterweight
- 3185 lb
- Ground Contact Area (400 mm/15.7 in track)
- 2015 in2
- Ground Contact Area (450 mm/17.7 in track)
- 2272 in2
- Ground Pressure (400 mm/15.7 in track)
- 4.9 psi
- Ground Pressure (450 mm/17.7 in track)
- 4.4 psi
- Note
- Operating Weight, Operating Specifications and Dimensions all based on 75 kg (165 lb) operator, all fluids, two speed, OROPS, 1981 mm (78 in) dirt bucket, 400 mm (15.7 in) tracks, dual flange front idler/single flange rear idler, standard flow hydraulics,
- Length of Track on Ground
- 64.2 in
- Overall Length of Track
- 83.8 in
- Height to Top of Cab
- 83.2 in
- Ground Clearance
- 8.9 in
- Departure Angle
- 32°
- Maximum Dump Angle
- 39°
- Length with Bucket on Ground
- 146.2 in
- Length without Bucket
- 117.9 in
- Vehicle Width (400 mm/15.7 in tracks)
- 76.0 in
- Maximum Overall Height
- 159.5 in
- Bucket Pin Height at Maximum Lift
- 124.9 in
- Bucket Pin Height at Carry Position
- 7.8 in
- Reach at Maximum Lift and Dump
- 22.6 in
- Clearance at Maximum Lift and Dump
- 97.8 in
- Turning Radius from Center – Machine Rear
- 70.7 in
- Turning Radius from Center – Coupler
- 55.5 in
- Turning Radius from Center – Bucket
- 88.8 in
- Maximum Reach with Arms Parallel to Ground
- 54.0 in
- Rack Back Angle at Maximum Height
- 84°
- Vehicle Width (450 mm/17.7 in tracks)
- 78.0 in
- Note
- Operating Weight, Operating Specifications and Dimensions all based on 75 kg (165 lb) operator, all fluids, two speed, OROPS, 1981 mm (78 in) dirt bucket, 400 mm (15.7 in) tracks, dual flange front idler/single flange rear idler, standard flow hydraulics,
- Max. Loader Hydraulic Flow
- 32.0 gal/min
- Hydraulic Power (calculated)
- 76.0 hp
- Hydraulic Flow – Standard: Loader Hydraulic Pressure
- 3335 psi
- Hydraulic Flow – Standard: Loader Hydraulic Flow
- 23 gal/min
- Hydraulic Flow – Standard: Hydraulic Power (calculated)
- 44 hp
- Hydraulic Flow – High Flow XPS: Maximum Loader Hydraulic Pressure
- 4061 psi
- Hydraulic Flow – High Flow XPS: Maximum Loader Hydraulic Flow
- 32 gal/min
- Hydraulic Flow – High Flow XPS: Hydraulic Power (calculated)
- 76 hp
- ROPS
- ISO 3471:2008
- FOPS
- ISO 3449:2005 Level I
- FOPS Level II
- ISO 3449:2005 Level II
- Travel Speed Reverse - 2-Speed
- 8.4 mph
- Travel Speed Forward - 2-Speed
- 8.4 mph
- Travel Speed (Forward or Reverse): One Speed
- 4.5 mph
- Travel Speed (Forward or Reverse): Two Speed
- 7.0 mph
- Cooling System
- 3.7 gal
- Engine Crankcase
- 3.0 gal
- Fuel Tank
- 24.8 gal
- Hydraulic System
- 13.7 gal
- Hydraulic Tank
- 10.3 gal
- Inside Cab**
- 83 dB(A)
- Outside Cab***
- 103 dB(A)
- Note
- Cab and Rollover Protective Structures (ROPS) are standard in North America and Europe.
- Note
- **The declared dynamic operator sound pressure levels per ISO 6396:2008. The measurements were conducted with the cab doors and windows closed and at 70% of the maximum engine cooling fan speed. The sound level may vary at different engine cooling fan spe
- Note
- ***The labeled sound power level for the CE marked configurations when measured according to the test procedure and conditions specified in 2000/14/EC.
- Air Conditioning
- The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.0 kg of refrigerant which has a CO2 equivalent of 1.430 metric tonnes.