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279D3

Compact Track Loaders

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.

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Gross Power - SAE J1995 55.4 kW
Rated Operating Capacities - 35% Tipping Load 1010 kg
Operating Weight 4579 kg
Length - Track on Ground 1630 mm
Availability Please Call Admin
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279D3
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OVERVIEW

Comfortable. Performance. Smart.

FEATURES & BENEFITS

Quiet and Comfortable

The industry leading sealed and pressurized cab option provides the operator with a cleaner and quieter operating environment with excellent work tool visibility. Contin... Read more

Maximum Performance

High performance power train provides maximum performance and production capability through the Electronic Torque Management system, standard two speed travel and an elec... Read more

Making Your Job Easier

Cat® “Intelligent Leveling” system provides industry leading technology, integration, and available features such as dual direction self level, work tool return to dig, a... Read more

A Smooth Ride

A standard, fully independent torsion axle suspension combined with the optional Speed Sensitive Ride Control system improves operation on rough terrain, enabling better... Read more

Optimized Machine Capability

Maximize machine capability and control with the available Advanced Display, providing on-screen adjustments for implement response, hystat response and creep control. Al... Read more

SPECIFICATIONS FOR 279D3

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Engine
Gross Power - SAE J1995 55.4 kW
Net Power - SAE 1349 53.6 kW
Displacement 3.3 l
Bore 94 mm
Stroke 120 mm
Net Power ISO 9249† 54.6 kW
Net Power 53.6 kW
Peak Torque - 1,600 rpm - SAE J1995 265 N·m
Engine Model Cat C3.3B DIT (turbo)
Net Power SAE 1349† 54 kW
Gross Power 55.4 kW
Net Power - ISO 9249 54.1 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.
Emissions †Engine meeting Brazil MAR-1 and China Nonroad Stage III emission standards emits equivalent to U.S. EPA Tier 4 Interim and is offered only for Australia/New Zealand, Brazil, China, French Polynesia, Hong Kong, Macedonia and New Caledonia.
Operating Specifications
Rated Operating Capacities - 35% Tipping Load 1010 kg
Tipping Load 2885 kg
Breakout Force - Tilt Cylinder 3304 kg
Rated Operating Capacity with Optional Counterweight 1540 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).
Ground Pressure - With 450 mm/17.7 in Track 30.4 kPa
Weights
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).
Dimensions
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°
Maximum Overall Height 4051 mm
Clearance at Maximum Lift and Dump 2485 mm
Length - With Bucket on Ground 3714 mm
Turning Radius from Center - Machine Rear 1796 mm
Turning Radius from Center - Bucket 2256 mm
Bucket Pin Height - Carry Position 198 mm
Turning Radius from Center - Coupler 1410 mm
Bucket Pin Height - Maximum Lift 3173 mm
Length - Without Bucket 2995 mm
Maximum Reach - With Arms Parallel to Ground 1373 mm
Rack Back Angle - Maximum Height 84°
Vehicle Width (450 mm/17.7 in tracks) 1981 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).
Reach - Maximum Lift/Dump 575 mm
Hydraulic System
Hydraulic Flow - Standard - Loader Hydraulic Pressure 23000 kPa
Hydraulic Flow - High Flow XPS - Maximum Loader Hydraulic Flow 121 l/min
Hydraulic Flow - High Flow XPS - Hydraulic Power (Calculated) 57 kPa
Hydraulic Flow - Standard - Hydraulic Power (Calculated) 33 kW
Hydraulic Flow - Standard - Loader Hydraulic Flow 86 kPa
Hydraulic Flow - High Flow XPS - Maximum Loader Hydraulic Pressure 28000 kW
Cab
ROPS ISO 3471:2008
FOPS ISO 3449:2005 Level I
Power Train
Travel Speed - Forward or Reverse - Two Speed 13.3 km/h
Travel Speed - Forward or Reverse - One Speed 7.2 km/h
Service Refill Capacities
Fuel Tank 105 l
Cooling System 14 l
Hydraulic System 52 l
Engine Crankcase 11 l
Hydraulic Tank 39 l
Air Conditioning System (if equipped)
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
Outside Cab*** 103 dB(A)
Inside Cab** 83 dB(A)
Note (1) **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 (2) ***The labeled sound power level for the CE marked configurations when measured according to the test procedure and conditions specified in 2000/14/EC.

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Gross Power - SAE J1995 55.4 kW
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Net Power 55.1 kW
Operating Weight 4200 kg
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Bucket Capacity 0.44 m³
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Net Power 71 kW
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Net Power 54 kW
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Gross Power - SAE J1995 55.4 kW
Rated Operating Capacities - 35% Tipping Load 1315 kg
Operating Weight 4848 kg
Length - Track on Ground 1630 mm
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Net Power 49.1 kW
Gross Power - SAE J1995 50.1 kW
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Engine Model Cat C3.3B DIT (turbo)
Net Power 53.8 kW
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