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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.

Cat Specs
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Engine

Net Power
72.9 HP
Gross Power
74.3 HP
Net Power - SAE 1349
72.9 HP
Bore
3.7 in
Stroke
4.7 in
Displacement
203 in³
Net Power - ISO 9249
73.7 HP
Engine Model
Cat C3.3B DIT (turbo)
Gross Power - SAE J1995
74.3 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 id

Operating Specifications

Tipping Load
5870 lb
Breakout Force - Tilt Cylinder
7285 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 id
Ground Contact Area - With 400 mm/15.7 in Track
2015 in²
Rated Operating Capacity with Optional Counterweight
3185 lb
Rated Operating Capacities - 35% Tipping Load
2055 lb
Ground Pressure - With 400 mm/15.7 in Track
4.9 psi
Rated Operating Capacities - 50% Tipping Load
2935 lb

Dimensions

Departure Angle
32°
Maximum Dump Angle
39°
Overall Length - Track
83.8 in
Height - Top of Cab
83.2 in
Length - With Bucket on Ground
146.2 in
Turning Radius from Center - Machine Rear
70.7 in
Maximum Reach - With Arms Parallel to Ground
54 in
Bucket Pin Height - Maximum Lift
124.9 in
Turning Radius from Center - Bucket
88.8 in
Length - Without Bucket
117.9 in
Vehicle Width (400 mm/15.7 in tracks)
76 in
Rack Back Angle - Maximum Height
84°
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 id
Clearance at Maximum Lift and Dump
97.8 in
Turning Radius from Center - Coupler
55.5 in
Ground Clearance
8.9 ft
Maximum Overall Height
159.5 in
Bucket Pin Height - Carry Position
7.8 in
Reach - Maximum Lift/Dump
22.6 in
Length - Track on Ground
64.2 in

Cab

FOPS Level II
ISO 3449:2005 Level II
ROPS
ISO 3471:2008
FOPS
ISO 3449:2005 Level I

Service Refill Capacities

Cooling System
3.7 gal (US)
Fuel Tank
24.8 gal (US)
Hydraulic System
13.7 gal (US)
Engine Crankcase
3 gal (US)
Hydraulic Tank
10.3 gal (US)

Power Train

Travel Speed - Forward or Reverse - One Speed
4.5 mile/h

Noise Level

Note (1)
Cab and Rollover Protective Structures (ROPS) are standard in North America and Europe.
Outside Cab***
103 dB(A)
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 s
Inside Cab**
83 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.

Hydraulic System

Hydraulic Flow - Standard - Loader Hydraulic Flow
23 gal/min
Hydraulic Flow - Standard - Loader Hydraulic Pressure
3335 psi
Hydraulic Flow - Standard - Hydraulic Power (Calculated)
44 HP

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 equiv