The Caterpillar 279D is a compact track loader designed for material handling, grading, loading, and site preparation in construction, landscaping, and agricultural applications. It features a vertical lift design for improved reach and lift height, along with a suspended undercarriage that helps provide traction and stability on uneven ground. The 279D is commonly equipped with a Caterpillar diesel engine, hydraulic auxiliary flow for attachments, and a sealed cab option for operator comfort. Its compact size supports maneuverability in confined work areas while maintaining the performance needed for demanding jobsite tasks.
| ENGINE POWER HP (KW) | 73 (54) Starting 2019 Model Year |
| OPERATING LOAD LBS. (KG) | 2,935 (1,331) Starting 2016 Model Year |
| OPERATING WIDTH IN. (CM) | 78 (198) Starting 2019 Model Year |
| Rated Operating Capacity LBS (KG) 35% | 2,055 (932) Starting 2020 Model Year |
| Rated Operating Capacity LBS (KG) 50% | 2,055 (932) Starting 2019 Model Year |
| Bucket Pin Height - Carry Position | 7.80 in (19.81 cm)
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| Bucket Pin Height - Maximum Lift | 10.50 ft (3.20 m)
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| Clearance at Max Lift and Dump | 8.20 ft (2.50 m)
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| Clearance at Maximum Lift and Dump | 97.80 in (248.41 cm)
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| Departure Angle | 32 degrees
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| Dump angle | 39 degrees
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| Ground Clearance | 8.90 in (22.61 cm)
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| Height - Top of Cab | 7.00 ft (2.13 m)
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| Length - Track on Ground | 64.20 in (163.07 cm)
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| Length - with Bucket | 12.20 ft (3.72 m)
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| Length - With Bucket on Ground | 146.20 in (371.35 cm)
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| Maximum Dump Angle | 39 degrees
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| Maximum Overall Height | 159.50 in (405.13 cm)
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| Maximum Reach - With Arms Parallel to Ground | 54.00 in (137.16 cm)
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| Overall Height | 13.20 ft (4.02 m)
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| Overall Length - Track | 83.80 in (212.85 cm)
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| Overall Track Length | 7.00 ft (2.13 m)
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| Rack Back Angle - Maximum Height | 84 degrees
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| Reach - Maximum Lift/Dump | 22.60 in (57.40 cm)
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| Reach at Max Lift and Dump | 1.90 ft (0.58 m)
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| Turning Radius from Center - Bucket | 88.80 in (225.55 cm)
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| Turning Radius from Center - Coupler | 55.50 in (140.97 cm)
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| Vehicle Width (400 mm/15.7 in tracks) | 76.00 in (193.04 cm)
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| Vehicle Width (450 mm/17.7 in tracks) | 78.00 in (198.12 cm)
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| Width Over Tracks | 6.40 ft (1.95 m)
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| Alternator Supplied Amperage | 80 amps
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| Breakout Force - Tilt Cylinder | 7,285.00 lbs (3,304.42 kg)
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| Cooling System Fluid Capacity | 3.70 gal (14.00 l)
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| Fuel Capacity | 24.90 gal (94.25 l)
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| Ground Contact Area - With 400 mm/15.7 in Track | 2,015.00 cu in (33,020.01 cu cm)
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| Ground Contact Area - With 450 mm/17.7 in Track | 2,272.00 cu in (37,231.49 cu cm)
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| Ground Pressure - With 400 mm/15.7 in Track | 4.9 psi
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| Ground Pressure - With 450 mm/17.7 in Track | 4.4 psi
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| Hydraulic System Fluid Capacity | 13.80 gal (52.23 l)
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| Max Speed - high range | 7.10 mph (11.43 kph)
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| Max Speed - low range | 4.50 mph (7.24 kph)
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| Operating Voltage | 12 volts
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| Operating Weight | 9,892.20 lbs (4,487.03 kg)
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| Rated Operating Capacities - 35% Tipping Load | 2,055.00 lbs (932.13 kg)
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| Rated Operating Capacities - 50% Tipping Load | 2,935.00 lbs (1,331.30 kg)
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| Rated Operating Capacity with Optional Counterweight | 3,185.00 lbs (1,444.69 kg)
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| Tipping Load | 5,870.00 lbs (2,662.59 kg)
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