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.
Engine
- 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 in³
- Bore
- 3.7 in
- Stroke
- 4.7 in
- Net Power - ISO 9249
- 73.7 HP
- Peak Torque - 1,500 rpm - SAE J1995
- 195 ft·lbf
Weights
- 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,
Operating Specifications
- Tipping Load
- 5870 lb
- Breakout Force - Tilt Cylinder
- 7285 lb
- Ground Contact Area - With 400 mm/15.7 in Track
- 2015 psi
- Rated Operating Capacities - 35% Tipping Load
- 2055 lb
- Rated Operating Capacities - 50% Tipping Load
- 2935 lb
- Rated Operating Capacity with Optional Counterweight
- 3185 in²
- Ground Contact Area - With 450 mm/17.7 in Track
- 2272 in²
- Ground Pressure - With 400 mm/15.7 in Track
- 4.9 psi
- Ground Pressure - With 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,
Dimensions
- Length - Track on Ground
- 64.2 in
- Overall Length - Track
- 83.8 in
- Height - Top of Cab
- 83.2 in
- Ground Clearance
- 8.9 in
- Departure Angle
- 32°
- Maximum Dump Angle
- 39°
- Bucket Pin Height - Carry Position
- 7.8 in
- Bucket Pin Height - Maximum Lift
- 124.9 in
- Clearance at Maximum Lift and Dump
- 97.8 in
- Length - With Bucket on Ground
- 146.2 in
- Length - Without Bucket
- 117.9 in
- Maximum Overall Height
- 159.5 in
- Maximum Reach - With Arms Parallel to Ground
- 54 in
- Rack Back Angle - Maximum Height
- 84°
- Reach - Maximum Lift/Dump
- 22.6 in
- Turning Radius from Center - Bucket
- 88.8 in
- Turning Radius from Center - Coupler
- 55.5 in
- Turning Radius from Center - Machine Rear
- 70.7 in
- Vehicle Width (400 mm/15.7 in tracks)
- 76 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,
- Vehicle Width (450 mm/17.7 in tracks)
- 78 in
Cab
- ROPS
- ISO 3471:2008
- FOPS
- ISO 3449:2005 Level I
- FOPS Level II
- ISO 3449:2005 Level II
Hydraulic System
- Hydraulic Flow - High Flow XPS - Hydraulic Power (Calculated)
- 76 HP
- Hydraulic Flow - High Flow XPS - Maximum Loader Hydraulic Flow
- 32 gal/min
- Hydraulic Flow - High Flow XPS - Maximum Loader Hydraulic Pressure
- 4061 psi
- Hydraulic Flow - Standard - Hydraulic Power (Calculated)
- 44 HP
- Hydraulic Flow - Standard - Loader Hydraulic Flow
- 23 psi
- Hydraulic Flow - Standard - Loader Hydraulic Pressure
- 3335 psi
Power Train
- Travel Speed - Forward or Reverse - One Speed
- 4.5 mile/h
- Travel Speed - Forward or Reverse - Two Speed
- 7 mile/h
Service Refill Capacities
- Cooling System
- 3.7 gal (US)
- Engine Crankcase
- 3 gal (US)
- Fuel Tank
- 24.8 gal (US)
- Hydraulic System
- 13.7 gal (US)
- Hydraulic Tank
- 10.3 gal (US)
Air Conditioning System
- 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.
Noise Level
- Inside Cab**
- 83 dB(A)
- Note (1)
- Cab and Rollover Protective Structures (ROPS) are standard in North America and Europe.
- Note (2)
- **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 (3)
- ***The labeled sound power level for the CE marked configurations when measured according to the test procedure and conditions specified in 2000/14/EC.
- Outside Cab***
- 103 dB(A)
