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279D3 Compact Track Loader

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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.

Cat Specs
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Engine

Gross Power - SAE J1995
74.3 hp
Gross Power
74.3 hp
Net Power - SAE 1349
72.9 hp
Bore
3.7 in
Stroke
4.7 in
Displacement
203 in²
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.
Net Power - ISO 9249
73.7 hp
Peak Torque - 1,500 rpm - SAE J1995
195 ft·lbf
Net Power
72.9 hp
Engine Model
Cat C3.3B DIT (turbo)

Operating Specifications

Rated Operating Capacities - 35% Tipping Load
2220 lb
Rated Operating Capacity with Optional Counterweight
3390 lb
Tipping Load
6345 lb
Breakout Force - Tilt Cylinder
7285 lb
Rated Operating Capacities - 50% Tipping Load
3170 lb
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 f

Weights

Operating Weight
10095 lb
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 f

Cab

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

Dimensions

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

Service Refill Capacities

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

Hydraulic System

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

Noise Level

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

Power Train

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

Shipping

UPC
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