Specification sheet Compact Track Loader Ref caterpillar-279d-multi-terrain-loader

Caterpillar 279D

The Caterpillar 279D is a compact track loader with an operating weight of 9,892.15 lb (4,487 kg), a 72.91 hp engine, a rated operating capacity of 2,935 lb (1,331.3 kg), and a tipping load of 5,871 lb (2,663 kg).

✓ QA-verified — every figure checked for unit consistency, physical possibility, and class plausibility; failures withheld →
Operating weight
9,892.15lb
4,487kg
Engine power
72.91hp
54.37kW
Net Power
Rated operating capacity
2,935lb
1,331.3kg
Tipping load
5,871lb
2,663kg

Where it sits in its classpercentile · compact track loaders

Among 184 compact track loaders , the Caterpillar 279D sits above the median for its class:

  • Operating weight 9,890 lb heavier than 65% (n=182)
  • Engine power 73 hp less powerful than 57% (n=167)
  • Rated operating capacity 2,940 lb higher-rated than 59% (n=156)

Scale drawingdrawn to scale · mm

2113C226D3714A2995B1630E
Side elevation
2113C1931F
Front elevation

01 Engine Specification

Engine Make DIT
Engine Model Cat C3.3B
Gross Power 74.3hp 55.5kw
Net Power 72.9hp 54.4kw
Peak Torque 195.5lb ft 265Nm
Torque Measured @ 1500rpm
Displacement 203cu in 3.4L
Bore 3.7in 94mm
Stroke 4.7in 119.4mm
Net Power - Iso 9249 73.7hp 55kw
Gross Power - Sae J1995 74.3hp 55.5kw
Engine Model Cat C3.3B DIT (turbo)
Net Power - Sae 1349 72.9hp 54.4kw
Peak Torque - 1,500 Rpm - Sae J1995 195lb ft 264.4Nm

02 Operational Specification

Operating Weight 9892.2lb 4487kg
Cooling System Fluid Capacity 3.7gal 14L
Fuel Capacity 24.9gal 94L
Hydraulic System Fluid Capacity 13.8gal 52L
Operating Voltage 12V
Alternator Supplied Amperage 80amps
Max Speed - Low Range 4.5mph 7.2km/h
Max Speed - High Range 7.1mph 11.3km/h

03 Power Train Specification

Travel Speed - Forward Or Reverse - One Speed 4.5mph 7.3km/h
Travel Speed - Forward Or Reverse - Two Speed 7mph 11.3km/h

04 Loader Specification

Breakout Force 7284.1lb 3304kg
Tipping Load 5871lb 2663kg

05 Weights Specification

Operating Weight 9893lb 4487.4kg
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, mechanical suspension seat, no optional counterweights and manual quick coupler (unless otherwise noted).

06 Hydraulic Specification

Pump Flow 22.8gal/min 86L/min
Relief Valve Pressure 3335.9psi 23000kPa

07 Hydraulic System Specification

Hydraulic Flow - High Flow Xps - Hydraulic Power (Calculated) 76hp 56.7kw
Hydraulic Flow - Standard - Loader Hydraulic Pressure 3335 psi
Hydraulic Flow - Standard - Loader Hydraulic Flow 23 psi
Hydraulic Flow - Standard - Hydraulic Power (Calculated) 44hp 32.9kw
Hydraulic Flow - High Flow Xps - Maximum Loader Hydraulic Pressure 4061 HP
Hydraulic Flow - High Flow Xps - Maximum Loader Hydraulic Flow 32 gal/min

08 Operating Specifications Specification

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, mechanical suspension seat, no optional counterweights and manual quick coupler (unless otherwise noted).
Rated Operating Capacities - 50% Tipping Load 2935lb 1331.3kg
Rated Operating Capacities - 35% Tipping Load 2055lb 932.2kg
Rated Operating Capacity With Optional Counterweight 3185lb 1444.7kg
Tipping Load 5870lb 2662.6kg
Breakout Force - Tilt Cylinder 7285lb 3304.5kg
Ground Contact Area - With 400 Mm/15.7 In Track 2015in2 1.3m2
Ground Contact Area - With 450 Mm/17.7 In Track 2272in2 1.5m2
Ground Pressure - With 400 Mm/15.7 In Track 4.9 psi
Ground Pressure - With 450 Mm/17.7 In Track 4.4 psi

09 Service Refill Capacities Specification

Cooling System 3.7gal 14.1L
Fuel Tank 24.8gal 93.9L
Hydraulic Tank 10.3gal 39L
Engine Crankcase 3gal 11.4L
Hydraulic System 13.7gal 51.9L

10 Cab Specification

Rops ISO 3471:2008
Fops ISO 3449:2005 Level I
Fops Level Ii ISO 3449:2005 Level II

11 Air Conditioning System Specification

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.

12 Noise Level Specification

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 speeds.
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)
Outside Cab*** 103 dB(A)

13 Dimensions Dimensions

Width Over Tracks 6.34ft in 1931mm
Height To Top Of Cab 6.94ft in 2113mm
Ground Clearance 8.9in 226.06mm
Clearance At Max Lift And Dump 8.16ft in 2485mm
Reach At Max Lift And Dump 1.89ft in 575mm
Dump Angle 39degrees
Length - Track On Ground 64.2in 1630.68mm
Length - With Bucket On Ground 146.2in 3713.48mm
Length - Without Bucket 117.9in 2994.66mm
Length With Bucket 12.19ft in 3714mm
Bucket Pin Height - Carry Position 7.8in 198.12mm
Clearance At Maximum Lift And Dump 97.8in 2484.12mm
Departure Angle 32 degrees
Turning Radius From Center - Machine Rear 70.7in 1795.78mm
Vehicle Width (400 Mm/15.7 In Tracks) 76in 1930.4mm
Vehicle Width (450 Mm/17.7 In Tracks) 78in 1981.2mm
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, mechanical suspension seat, no optional counterweights and manual quick coupler (unless otherwise noted).
Length With Out Bucket 9.83ft in 2995mm
Maximum Dump Angle 39 degrees
Maximum Overall Height 159.5in 4051.3mm
Maximum Reach - With Arms Parallel To Ground 54in 1371.6mm
Overall Height 13.18ft in 4015mm
Overall Length - Track 83.8in 2128.52mm
Overall Track Length 6.99ft in 2129mm
Rack Back Angle - Maximum Height 84 degrees
Reach - Maximum Lift/Dump 22.6in 574.04mm
Turning Radius From Center - Bucket 88.8in 2255.52mm
Turning Radius From Center - Coupler 55.5in 1409.7mm

14 Undercarriage Dimensions

Length Of Track On Ground 5.35ft in 1630mm
Ground Pressure 4.92psi 33.9kPa
Ground Contact Area 2015.01in2 1.3m2

Method. Figures are manufacturer reference specifications, not measurements. Every value is checked for unit consistency, physically possible magnitude, and plausibility for its equipment class before publication; figures that fail any check are withheld rather than shown, and figures reconstructed from related data are marked above. Imperial and metric figures are reproduced as published, except where a note states otherwise.