279D3
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.
Gross Power - SAE J1995
74.3 HP
Rated Operating Capacities - 35% Tipping Load
2220 lb
Operating Weight
10095 lb
DOWNLOAD TECHNICAL SPECIFICATIONS
Specification
Value
Gross Power - SAE J1995
74.3 HP
Net Power - SAE 1349
71.8 HP
Displacement
203 in³
Bore
3.7 in
Stroke
4.7 in
Net Power ISO 9249†
73.2 HP
Net Power
71.8 HP
Peak Torque - 1,600 rpm - SAE J1995
195 ft·lbf
Engine Model
Cat C3.3B DIT (turbo)
Net Power SAE 1349†
72.4 HP
Gross Power
74.3 HP
Net Power - ISO 9249
72.6 HP
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.
Specification
Value
Rated Operating Capacities - 35% Tipping Load
2220 lb
Tipping Load
6345 lb
Breakout Force - Tilt Cylinder
7285 lb
Rated Operating Capacity with Optional Counterweight
3390 lb
Rated Operating Capacities - 50% Tipping Load
3170 lb
Ground Contact Area - With 450 mm/17.7 in Track
2272 in²
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
4.4 psi
Specification
Value
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 front idler/single flange rear idler, standard flow hydraulics, mechanical suspension seat, no optional counterweights and manual quick coupler (unless otherwise noted).
Specification
Value
Length - Track on Ground
64.2 in
Overall Length - Track
83.8 in
Height - Top of Cab
83.2 in
Ground Clearance
8.9 in
Departure Angle
32°
Maximum Dump Angle
39°
Maximum Overall Height
159.5 in
Clearance at Maximum Lift and Dump
97.8 in
Length - With Bucket on Ground
146.2 in
Turning Radius from Center - Machine Rear
70.7 in
Turning Radius from Center - Bucket
88.8 in
Bucket Pin Height - Carry Position
7.8 in
Turning Radius from Center - Coupler
55.5 in
Bucket Pin Height - Maximum Lift
124.9 in
Length - Without Bucket
117.9 in
Maximum Reach - With Arms Parallel to Ground
54 in
Rack Back Angle - Maximum Height
84°
Vehicle Width (450 mm/17.7 in tracks)
78 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 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
22.6 in
Specification
Value
Hydraulic Flow - Standard - Loader Hydraulic Pressure
3335 psi
Hydraulic Flow - High Flow XPS - Maximum Loader Hydraulic Flow
32 gal/min
Hydraulic Flow - High Flow XPS - Hydraulic Power (Calculated)
76 psi
Hydraulic Flow - Standard - Hydraulic Power (Calculated)
44 HP
Hydraulic Flow - Standard - Loader Hydraulic Flow
23 psi
Hydraulic Flow - High Flow XPS - Maximum Loader Hydraulic Pressure
4061 HP
Specification
Value
ROPS
ISO 3471:2008
FOPS
ISO 3449:2005 Level I
Specification
Value
Travel Speed - Forward or Reverse - Two Speed
8.3 mile/h
Travel Speed - Forward or Reverse - One Speed
4.5 mile/h
Specification
Value
Fuel Tank
27.7 gal (US)
Cooling System
3.7 gal (US)
Hydraulic System
13.7 gal (US)
Engine Crankcase
3 gal (US)
Hydraulic Tank
10.3 gal (US)
Specification
Value
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.
Specification
Value
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.
The industry leading sealed and pressurized cab option provides the operator with a cleaner and quieter operating environment with excellent work tool visibility. Continuing the industry leading trend, the D3 Series also includes as standard, seat mounted adjustable joystick controls for operator comfort.
High performance power train provides maximum performance and production capability through the Electronic Torque Management system, standard two speed travel and an electronic hand/foot throttle with decel pedal capability.
Cat® “Intelligent Leveling” system provides industry leading technology, integration, and available features such as dual direction self level, work tool return to dig, and work tool positioner.
A 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.
Maximize machine capability and control with the available Advanced Display, providing on-screen adjustments for implement response, hystat response and creep control. Also features multi-language functionality with customizable layouts, security system and rearview camera.
1140 mm (45 in)
890 mm (35 in)
890 mm (35 in)
1140 mm (45 in)
1803 mm (71 in)
2133 mm (84 in)
1270 mm (50 in)
1676 mm (66 in)
1829 mm (72 in)
1676 mm (66 in)
1829 mm (72 in)
1829 mm (72 in)
BR117
BR118
BR120
BR318
BR320
BRX118 Industrial
BRX318 Industrial
HM115
HM316
HM316 Bite Limiter
A23
A41
A68
BB121
2007 mm (79 in)
2337 mm (92 in)
2337 mm (92 in), Smart
GB124, Smart
GB120 with Wings, Smart
1829 mm (72 in)
2134 mm (84 in)
BU118
BA118C Manual
BA118C Hydraulic
BP118C
2185 mm (86 in), Bolt-On Cutting Edge
2490 mm (98 in), Bolt-On Cutting Edge
2642 mm (104 in), Bolt-On Cutting Edge
MB200
MB250
1883 mm (74 in), Bolt-On Cutting Edge
1576 mm (62 in), Bolt-On Cutting Edge
1730 mm (68 in), Bolt-On Cutting Edge
2036 mm (80 in), Bolt-On Cutting Edge
2188 mm (86 in), Bolt-On Cutting Edge
1576 mm (62 in), Bolt-On Teeth
1730 mm (68 in), Bolt-On Teeth
1883 mm (74 in), Bolt-On Teeth
2036 mm (80 in), Bolt-On Teeth
2188 mm (86 in), Bolt-On Teeth
1576 mm (62 in), Bolt-On Cutting Edge
1576 mm (62 in), Bolt-On Cutting Edge
1730 mm (68 in), Bolt-On Cutting Edge
2036 mm (80 in), Bolt-On Cutting Edge
1883 mm (74 in), Bolt-On Cutting Edge
1883 mm (74 in), Bolt-On Cutting Edge
2036 mm (80 in), Bolt-On Cutting Edge
2185 mm (86 in), Bolt-On Cutting Edge
2490 mm (98 in), Bolt-On Cutting Edge
1576 mm (62 in) w/Spill Guard, Bolt-On Teeth
2188 mm (86 in) w/Spill Guard, Bolt-On Teeth
2036 mm (80 in) w/Spill Guard, Bolt-On Teeth
1883 mm (74 in) w/Spill Guard, Bolt-On Teeth
1730 mm (68 in) w/Spill Guard, Bolt-On Teeth
1576 mm (62 in) w/Spill Guard, Bolt-On Cutting Edge
1730 mm (68 in) w/Spill Guard, Bolt-On Cutting Edge
1883 mm (74 in) w/Spill Guard, Bolt-On Cutting Edge
2036 mm (80 in) w/Spill Guard, Bolt-On Cutting Edge
2188 mm (86 in) w/Spill Guard, Bolt-On Cutting Edge
1730 mm (68 in), Bolt-On Cutting Edge
1730 mm (68 in), Bolt-On Teeth
1883 mm (74 in), Bolt-On Cutting Edge
1883 mm (74 in), Bolt-On Teeth
2036 mm (80 in), Bolt-On Cutting Edge
2036 mm (80 in), Bolt-On Teeth
2188 mm (86 in), Bolt-On Cutting Edge
2188 mm (86 in), Bolt-On Teeth
2340 mm (92 in), Bolt-On Cutting Edge
2340 mm (92 in), Bolt-On Teeth
1849 mm (74 in), Plate Tine Style
2349 mm (92 in), Plate Tine Style
2016 mm (80 in), Rod Tine Style
2206 mm (86 in), Rod Tine Style
2397 mm (94 in), Rod Tine Style
BD118 Sand
1576 mm (62 in), Bolt-On Cutting Edge
1730 mm (68 in), Bolt-On Cutting Edge
1883 mm (74 in), Bolt-On Cutting Edge
2036 mm (80 in), Bolt-On Cutting Edge
1883 mm (74 in)
1730 mm (68 in)
1150 mm (45 in)
1168 mm (46 in)
1148 mm (45 in)
CV117
CV119
B8s
H55s
H65s
B8
Material Handling Arm
PR118 Hydraulic Angle
PR118 Manual Angle
PR121 Hydraulic Angle
PR121 Manual Angle
LR116
LR119
1829 mm (72 in)
2137 mm (84 in)
S308
LT114
LT118
T112 Manual Side Shift
T315 Hydraulic Side Shift
T315 Hydraulic Side Shift
T315 Hydraulic Side Shift
T112 Hydraulic Side Shift
T109 Manual Side Shift
T112 Manual Side Shift
T112 Manual Side Shift
T112 Manual Side Shift
T112 Hydraulic Side Shift
T112 Hydraulic Side Shift
T112 Hydraulic Side Shift
T109 Hydraulic Side Shift
T109 Hydraulic Side Shift
T109 Manual Side Shift
T109 Manual Side Shift
T109 Hydraulic Side Shift
T109 Manual Side Shift
T109 Manual Side Shift
T109 Hydraulic Side Shift
T109 Hydraulic Side Shift
T109 Manual Side Shift
T109 Hydraulic Side Shift
T112 Hydraulic Side Shift
T315 Hydraulic Side Shift
PC104
PC105
PC305
PC306
PC310
3.05 m (10 ft)
2.44 m (8 ft)
1.8 m (6 ft)
2.1 m (7 ft)
2.7 m (9 ft)
2.4 m (8 ft)
3.0 m (10 ft)
2134 mm (84 in)
SR121
SR118
SR318
SR115
SG16
SG36
Hydraulic Nursery Fork
SW360, 80 mm (3 in)
SW360, 200 mm (8 in)
SW345, 130 mm (5 in)
SW360, 130 mm (5 in)
SW345, 80 mm (3 in)
SW380, 250 mm (10 in)
VisionLink®
2.4 m (8 ft)
2.8 m (9 ft)
1438 mm (57 in)
1676 mm (66 in)
BB124
GB120, Smart
GB124 with Wings, Smart
BU115
BP115C
1421 mm (56 in), Bolt-On Cutting Edge
1730 mm (68 in), Bolt-On Cutting Edge
1883 mm (74 in), Bolt-On Cutting Edge
BD118 Sawdust
BD121 Sawdust
BD121 Sand
PC306 With Water
PC306 XD
3.66 m (12 ft)
3.66 m (12 ft)
1524 mm (60 in)
SR321
Manual Nursery Fork
BH130, Smart
SW360, 160 mm (6 in)
SW360, 100 mm (4 in)
2.44 m (8 ft)
3.05 m (10 ft)
2.44 m (8 ft)
3.66 m (12 ft)
3.05 m (10 ft)