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Caterpillar

279D

Compact Track Loader

Operating Weight
9,892 lb
Max Speed - high range
7.1 mph
Displacement
203 in³
Gross Power
74.3 hp
Caterpillar 279D Compact Track Loader
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Specifications

89 data points

Operating Specifications

Operating Specifications specifications
Operating Weight9,892 lb
Max Speed - high range7.1 mph
Max Speed - low range4.5 mph
Fuel Capacity24.9 gal
Hydraulic System Fluid Capacity13.8 gal
Cooling System Fluid Capacity3.7 gal
Operating Voltage12 V
Alternator Supplied Amperage80 A
Breakout Force - Tilt Cylinder7,285 lb
Tipping Load5,870 lb
Rated Operating Capacities - 35% Tipping Load2,055 lb
Rated Operating Capacities - 50% Tipping Load2,935 lb
Rated Operating Capacity with Optional Counterweight3,185 lb
Ground Contact Area - With 400 mm/15.7 in Track2,015 in³
Ground Pressure - With 400 mm/15.7 in Track5 psi
Ground Contact Area - With 450 mm/17.7 in Track2,272 in³
Ground Pressure - With 450 mm/17.7 in Track4 psi

Engine

Engine specifications
Engine ModelCat C3.3B DIT (turbo)
Displacement203 in³
Gross Power74.3 hp
Net Power72.9 hp
Torque Measured @1,500 rpm
Engine MakeDIT
Bore4 in
Stroke5 in
Peak Torque195 lb-ft
Gross Power - SAE J199574.3 hp
Net Power - ISO 924973.7 hp
Net Power - SAE 134972.9 hp
Peak Torque - 1,500 rpm - SAE J19952,340 in

Weights

Weights specifications
Operating Weight9,893 lb

Hydraulic System

Hydraulic System specifications
Pump Flow22.8 gal/min
Relief Valve Pressure3,336 psi
Hydraulic Flow - Standard - Hydraulic Power (Calculated)44.0 hp
Hydraulic Flow - Standard - Loader Hydraulic Pressure3,335 psi
Hydraulic Flow - High Flow XPS - Hydraulic Power (Calculated)76.0 hp
Hydraulic Flow - High Flow XPS - Maximum Loader Hydraulic Flow32.0 gal/min

Dimensions

Dimensions specifications
Ground Clearance9 in
Height - Top of Cab84 in
Reach at Max Lift and Dump23 in
Length with Bucket on Ground146 in
Width Over Tracks77 in
Overall Height158 in
Length with Bucket146 in
Clearance at Max Lift and Dump98 in
Dump angle39 °
Bucket Pin Height - Maximum Lift126 in
Bucket Pin Height - Carry Position8 in
Maximum Overall Height160 in
Clearance at Maximum Lift and Dump98 in
Reach - Maximum Lift/Dump23 in
Maximum Dump Angle39 °
Rack Back Angle - Maximum Height84 °
Departure Angle32 °
Length - Track on Ground64 in
Overall Length - Track84 in
Overall Track Length84 in
Turning Radius from Center - Bucket89 in
Maximum Reach - With Arms Parallel to Ground54 in
Turning Radius from Center - Coupler56 in
Vehicle Width (400 mm/15.7 in tracks)76 in
Vehicle Width (450 mm/17.7 in tracks)78 in

Undercarriage

Undercarriage specifications
Ground Pressure5 psi
Length of Track on Ground65 in
Ground Contact Area2,015 in³

Cab & Operator

Cab & Operator specifications
FOPSISO 3449:2005 Level I
ROPSISO 3471:2008
FOPS Level IIISO 3449:2005 Level II

General Specifications

General Specifications specifications
Operating Width IN. (CM)78 (198) Starting 2019 Model Year
Engine Power HP (KW)73 (54) Starting 2019 Model Year
OPERATING LOAD LBS. (KG)2,935 (1,331) Starting 2016 Model Year
Rated Operating Capacity LBS (KG) 50%2,055 (932) Starting 2019 Model Year
Rated Operating Capacity LBS (KG) 35%2,055 (932) Starting 2020 Model Year

Loader

Loader specifications
Breakout Force—
Operating Width76 in
Operating Load Rating2,055 lb
Tipping Load5,871 lb

Service Refill Capacities

Service Refill Capacities specifications
Cooling System3.7 gal
Hydraulic Tank10.3 gal
Fuel Tank24.8 gal
Engine Crankcase3.0 gal
Hydraulic System13.7 gal

Power Train

Power Train specifications
Travel Speed - Forward or Reverse - One Speed4.5 mph
Travel Speed - Forward or Reverse - Two Speed7.0 mph

Air Conditioning System

Air Conditioning System specifications
Air ConditioningThe 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

Noise Level specifications
Inside Cab*83 dB(A)
Note (1)Cab and Rollover Protective Structures (ROPS) are standard in North America and Europe.
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)

Comparable machines

Other compact track loaders in a similar weight class.