Cat Compact Track Loaders 279D
Product Feature
Comfortable Cab
Industry leading sealed and pressurized cab option provides a cleaner and quieter operating environment with excellent work tool visibility. Available high-back, heated, air ride seat with seat mounted adjustable joystick controls makes the D Series the industry leader in operator comfort.
Outstanding Power
High performance power train provides maximum performance and production capability through the Electronic Torque Management system, standard two speed travel and an industry exclusive electronic hand/foot throttle with decel pedal capability. Electronically controlled Cat C3.3B engine provides high horsepower and torque while meeting U.S. EPA Tier 4 Final (EU Stage IIIB) emission standards. High Flow XPS hydraulic system is available for applications that demand maximum hydraulic work tool performance.
Versatility to Tackle Any Job
Cat “Intelligent Leveling” system (ILEV) provides industry leading technology, integration and optional features such as dual direction self level, work tool return to dig and work tool positioner. Standard fully independent torsion axle suspension combined with the optional Speed Sensitive Ride Control system improves operation on rough terrain, enabling better load retention, increased productivity and greater operator comfort. Broad range of performance matched Cat Work Tools makes the Cat Compact Track Loader the most versatile machine on the job site.
Advanced Display
Maximize machine capability and control with optional Advanced Display providing on-screen adjustments for implement response, hystat response and creep control. The display also features multi-language functionality with customizable layouts, security system and rearview camera.
Easy Service
Ground level access to all daily service and routine maintenance points helps reduce machine downtime for greater productivity.
Product Parameter
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
Units:
| Engine Model | Cat C3.3B DIT (turbo) Cat C3.3B DIT (turbo) | More |
| Net Power | 72.9 HP 54.4 kW | More |
| Gross Power | 74.3 HP 55.4 kW | More |
| Gross Power - SAE J1995 | 74.3 HP 55.4 kW | More |
| Net Power - SAE 1349 | 72.9 HP 54.4 kW | More |
| Displacement | 203.0 in³ 3.3 l | More |
| Bore | 3.7 in 94.0 mm | More |
| Stroke | 4.7 in 120.0 mm | More |
| Net Power - ISO 9249 | 73.7 HP 54.9 kW | More |
| Peak Torque - 1,500 rpm - SAE J1995 | 195.0 ft·lbf 265.0 N·m | More |
Weights
| Operating Weight | 9893.0 lb 4487.0 kg | More |
| 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, mechanical suspension seat, no optional counterweights and manual quick coupler (unless otherwise noted). 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, mechanical suspension seat, no optional counterweights and manual quick coupler (unless otherwise noted). | More |
Operating Specifications
| Tipping Load | 5870.0 lb 2663.0 kg | More |
| Breakout Force - Tilt Cylinder | 7285.0 lb 3304.0 kg | More |
| Ground Contact Area - With 400 mm/15.7 in Track | 2015.0 psi 1.3 kPa | More |
| Rated Operating Capacities - 35% Tipping Load | 2055.0 lb 932.0 kg | More |
| Rated Operating Capacities - 50% Tipping Load | 2935.0 lb 1331.0 kg | More |
| Rated Operating Capacity with Optional Counterweight | 3185.0 in² 1444.0 m² | More |
| Ground Contact Area - With 450 mm/17.7 in Track | 2272.0 in² 1.47 m² | More |
| Ground Pressure - With 400 mm/15.7 in Track | 4.9 psi 33.9 kPa | More |
| Ground Pressure - With 450 mm/17.7 in Track | 4.4 psi 30.0 kPa | More |
| 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, mechanical suspension seat, no optional counterweights and manual quick coupler (unless otherwise noted). 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, mechanical suspension seat, no optional counterweights and manual quick coupler (unless otherwise noted). | More |
Dimensions
| Length - Track on Ground | 64.2 in 1630.0 mm | More |
| Overall Length - Track | 83.8 in 2129.0 mm | More |
| Height - Top of Cab | 83.2 in 2113.0 mm | More |
| Ground Clearance | 8.9 in 226.0 mm | More |
| Departure Angle | 32° 32° | More |
| Maximum Dump Angle | 39° 39° | More |
| Bucket Pin Height - Carry Position | 7.8 in 198.0 mm | More |
| Bucket Pin Height - Maximum Lift | 124.9 in 3173.0 mm | More |
| Clearance at Maximum Lift and Dump | 97.8 in 2485.0 mm | More |
| Length - With Bucket on Ground | 146.2 in 3714.0 mm | More |
| Length - Without Bucket | 117.9 in 2995.0 mm | More |
| Maximum Overall Height | 159.5 in 4051.0 mm | More |
| Maximum Reach - With Arms Parallel to Ground | 54.0 in 1373.0 mm | More |
| Rack Back Angle - Maximum Height | 84° 84° | More |
| Reach - Maximum Lift/Dump | 22.6 in 575.0 mm | More |
| Turning Radius from Center - Bucket | 88.8 in 2256.0 mm | More |
| Turning Radius from Center - Coupler | 55.5 in 1410.0 mm | More |
| Turning Radius from Center - Machine Rear | 70.7 in 1796.0 mm | More |
| Vehicle Width (400 mm/15.7 in tracks) | 76.0 in 1931.0 mm | More |
| 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, mechanical suspension seat, no optional counterweights and manual quick coupler (unless otherwise noted). 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, mechanical suspension seat, no optional counterweights and manual quick coupler (unless otherwise noted). | More |
| Vehicle Width (450 mm/17.7 in tracks) | 78.0 in 1981.0 mm | More |
Hydraulic System
| Hydraulic Flow - High Flow XPS - Hydraulic Power (Calculated) | 76.0 psi 57.0 kPa | More |
| Hydraulic Flow - High Flow XPS - Maximum Loader Hydraulic Flow | 32.0 gal/min 121.0 l/min | More |
| Hydraulic Flow - High Flow XPS - Maximum Loader Hydraulic Pressure | 4061.0 HP 28000.0 kW | More |
| Hydraulic Flow - Standard - Hydraulic Power (Calculated) | 44.0 HP 33.0 kW | More |
| Hydraulic Flow - Standard - Loader Hydraulic Flow | 23.0 psi 86.0 kPa | More |
| Hydraulic Flow - Standard - Loader Hydraulic Pressure | 3335.0 psi 23000.0 kPa | More |
Cab
| ROPS | ISO 3471:2008 ISO 3471:2008 | More |
| FOPS | ISO 3449:2005 Level I ISO 3449:2005 Level I | More |
| FOPS Level II | ISO 3449:2005 Level II ISO 3449:2005 Level II | More |
Power Train
| Travel Speed - Forward or Reverse - One Speed | 4.5 mile/h 7.2 km/h | More |
| Travel Speed - Forward or Reverse - Two Speed | 7.0 mile/h 11.3 km/h | More |
Service Refill Capacities
| Cooling System | 3.7 gal (US) 14.0 l | More |
| Engine Crankcase | 3.0 gal (US) 11.0 l | More |
| Fuel Tank | 24.8 gal (US) 94.0 l | More |
| Hydraulic System | 13.7 gal (US) 52.0 l | More |
| Hydraulic Tank | 10.3 gal (US) 39.0 l | More |
Air Conditioning System
| 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. 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. | More |
Noise Level
| Inside Cab** | 83.0 dB(A) 83.0 dB(A) | More |
| Note (1) | Cab and Rollover Protective Structures (ROPS) are standard in North America and Europe. Cab and Rollover Protective Structures (ROPS) are standard in North America and Europe. | More |
| 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 speeds. **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. | More |
| 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. ***The labeled sound power level for the CE marked configurations when measured according to the test procedure and conditions specified in 2000/14/EC. | More |
| Outside Cab*** | 103.0 dB(A) |
