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Compact Track Loaders 279D3
Comfortable. Performance. Smart.
The Cat® 279D3 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.
Gross Power - SAE J1995
55.4 kW
Rated Operating Capacities - 35% Tipping Load
1010 kg
Operating Weight
4579 kg
FEATURES AT A GLANCE
PRODUCT SPECIFICATIONS FOR Compact Track Loaders 279D3
Gross Power - SAE J1995 | 55.4 kW |
Net Power - SAE 1349 | 54.4 kW |
Displacement | 3.3 l |
Bore | 94 mm |
Stroke | 120 mm |
Peak Torque - 1,500 rpm - SAE J1995 | 265 N·m |
Net Power | 54.4 kW |
Note | Net power advertised is the power available at the flywheel when the engine is equipped with alternator, air cleaner, muffler/aftertreatment and cooling fan. |
Gross Power | 55.4 kW |
Engine Model | Cat C3.3B DIT (turbo) |
Net Power - ISO 9249 | 54.9 kW |
Rated Operating Capacities - 35% Tipping Load | 1010 kg |
Tipping Load | 2885 kg |
Breakout Force - Tilt Cylinder | 3304 kg |
Rated Operating Capacities - 50% Tipping Load | 1445 kg |
Ground Contact Area - With 450 mm/17.7 in Track | 1.47 m² |
Note | Operating Weight, Operating Specifications and Dimensions all based on 75 kg (165 lb) operator, all fluids, two speed, OROPS, 2036 mm (80 in) low profile bucket, 450 mm (17.7 in) tracks, dual flange front idler/single flange rear idler, standard flow hydraulics, mechanical suspension seat, no optional counterweights and manual quick coupler (unless otherwise noted). |
Rated Operating Capacity with Optional Counterweight | 1540 kg |
Ground Pressure - With 450 mm/17.7 in Track | 30.4 kPa |
Operating Weight | 4579 kg |
Note | Operating Weight, Operating Specifications and Dimensions all based on 75 kg (165 lb) operator, all fluids, two speed, OROPS, 2036 mm (80 in) low profile bucket, 450 mm (17.7 in) tracks, dual flange front idler/single flange rear idler, standard flow hydraulics, mechanical suspension seat, no optional counterweights and manual quick coupler (unless otherwise noted). |
Length - Track on Ground | 1630 mm |
Overall Length - Track | 2129 mm |
Height - Top of Cab | 2113 mm |
Ground Clearance | 226 mm |
Departure Angle | 32° |
Maximum Dump Angle | 39° |
Bucket Pin Height - Carry Position | 198 mm |
Turning Radius from Center - Machine Rear | 1796 mm |
Turning Radius from Center - Coupler | 1410 mm |
Maximum Overall Height | 4051 mm |
Maximum Reach - With Arms Parallel to Ground | 1373 mm |
Turning Radius from Center - Bucket | 2256 mm |
Bucket Pin Height - Maximum Lift | 3173 mm |
Length - With Bucket on Ground | 3714 mm |
Length - Without Bucket | 2995 mm |
Reach - Maximum Lift/Dump | 575 mm |
Note | Operating Weight, Operating Specifications and Dimensions all based on 75 kg (165 lb) operator, all fluids, two speed, OROPS, 2036 mm (80 in) low profile bucket, 450 mm (17.7 in) tracks, dual flange front idler/single flange rear idler, standard flow hydraulics, mechanical suspension seat, no optional counterweights and manual quick coupler (unless otherwise noted). |
Clearance at Maximum Lift and Dump | 2485 mm |
Vehicle Width (450 mm/17.7 in tracks) | 1981 mm |
Rack Back Angle - Maximum Height | 84° |
Hydraulic Flow - Standard - Loader Hydraulic Pressure | 23000 kPa |
Hydraulic Flow - High Flow XPS - Maximum Loader Hydraulic Flow | 121 l/min |
Hydraulic Flow - Standard - Loader Hydraulic Flow | 86 kPa |
Hydraulic Flow - Standard - Hydraulic Power (Calculated) | 33 kW |
Hydraulic Flow - High Flow XPS - Maximum Loader Hydraulic Pressure | 28000 kW |
Hydraulic Flow - High Flow XPS - Hydraulic Power (Calculated) | 57 kPa |
ROPS | ISO 3471:2008 |
FOPS | ISO 3449:2005 Level I |
Travel Speed - Forward or Reverse - Two Speed | 13.3 km/h |
Travel Speed - Forward or Reverse - One Speed | 7.2 km/h |
Hydraulic System | 52 l |
Hydraulic Tank | 39 l |
Fuel Tank | 105 l |
Engine Crankcase | 11 l |
Cooling System | 14 l |
Air Conditioning | The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1 kg of refrigerant which has a CO2 equivalent of 1.430 metric tonnes. |
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 speeds. |
Outside Cab*** | 103 dB(A) |
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. |
Inside Cab** | 83 dB(A) |
Note (1) | Cab and Rollover Protective Structures (ROPS) are standard in North America and Europe. |
SEE HOW CAT Compact Track Loaders 279D3 COMPARES AGAINST FREQUENTLY COMPARED PRODUCTS.
259D3
Gross Power - SAE J1995-55.4 kW
Rated Operating Capacities - 35% Tipping Load-915 kg
Operating Weight-4076 kg
289D3
Gross Power - SAE J1995-55.4 kW
Rated Operating Capacities - 35% Tipping Load-1315 kg
Operating Weight-4848 kg
239D3
Gross Power - SAE J1995-50.1 kW
Rated Operating Capacities - 35% Tipping Load-695 kg
Operating Weight-3372 kg