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279D Compact Track Loader

279D Compact Track Loader

At a Glance

Engine Model
Cat C3.3B DIT (turbo)
Net Power
72.9 HP
Gross Power
74.3 HP
Gross Power - SAE J1995
74.3 HP
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Overview

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

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Engine Model Cat C3.3B DIT (turbo)
Net Power 72.9HP
Gross Power 74.3HP
Gross Power - SAE J1995 74.3HP
Net Power - SAE 1349 72.9HP
Displacement 203in³
Bore 3.7in
Stroke 4.7in
Net Power - ISO 9249 73.7HP
Peak Torque - 1,500 rpm - SAE J1995 195ft·lbf

Weights

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Operating Weight 9893lb
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

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Tipping Load 5870lb
Breakout Force - Tilt Cylinder 7285lb
Rated Operating Capacities - 50% Tipping Load 2935lb
Rated Operating Capacities - 35% Tipping Load 2055lb
Ground Contact Area - With 400 mm/15.7 in Track 2015psi
Rated Operating Capacity with Optional Counterweight 3185in²
Ground Contact Area - With 450 mm/17.7 in Track 2272in²
Ground Pressure - With 400 mm/15.7 in Track 4.9psi
Ground Pressure - With 450 mm/17.7 in Track 4.4psi
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

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Length - Track on Ground 64.2in
Overall Length - Track 83.8in
Height - Top of Cab 83.2in
Ground Clearance 8.9in
Departure Angle 32°
Maximum Dump Angle 39°
Vehicle Width (400 mm/15.7 in tracks) 76in
Vehicle Width (450 mm/17.7 in tracks) 78in
Bucket Pin Height - Carry Position 7.8in
Bucket Pin Height - Maximum Lift 124.9in
Clearance at Maximum Lift and Dump 97.8in
Length - With Bucket on Ground 146.2in
Length - Without Bucket 117.9in
Maximum Overall Height 159.5in
Maximum Reach - With Arms Parallel to Ground 54in
Rack Back Angle - Maximum Height 84°
Reach - Maximum Lift/Dump 22.6in
Turning Radius from Center - Bucket 88.8in
Turning Radius from Center - Coupler 55.5in
Turning Radius from Center - Machine Rear 70.7in
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,

Cab

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

Hydraulic System

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Hydraulic Flow - High Flow XPS - Hydraulic Power (Calculated) 76psi
Hydraulic Flow - High Flow XPS - Maximum Loader Hydraulic Flow 32gal/min
Hydraulic Flow - High Flow XPS - Maximum Loader Hydraulic Pressure 4061HP
Hydraulic Flow - Standard - Hydraulic Power (Calculated) 44HP
Hydraulic Flow - Standard - Loader Hydraulic Flow 23psi
Hydraulic Flow - Standard - Loader Hydraulic Pressure 3335psi

Power Train

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Travel Speed - Forward or Reverse - One Speed 4.5mile/h
Travel Speed - Forward or Reverse - Two Speed 7mile/h

Service Refill Capacities

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

Air Conditioning System

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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

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Inside Cab** 83dB(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*** 103dB(A)