279D3

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Cat® Compact Track Loaders feature a steel embedded track and steel undercarriage components for maximum life in applications where maintenance, operator technique and underfoot conditions may not be ideally suited for a Multi Terrain Loader or Skid Steer Loader.

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Specifications

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.

Cab

ROPS

ISO 3471:2008
FOPS

ISO 3449:2005 Level I

Dimensions

Length - Track on Ground

64.2 in 1630 mm
Overall Length - Track

83.8 in 2129 mm
Height - Top of Cab

83.2 in 2113 mm
Ground Clearance

8.9 in 226 mm
Departure Angle

32°
Maximum Dump Angle

39°
Bucket Pin Height - Carry Position

7.8 in 198 mm
Turning Radius from Center - Machine Rear

70.7 in 1796 mm
Turning Radius from Center - Coupler

55.5 in 1410 mm
Maximum Overall Height

159.5 in 4051 mm
Maximum Reach - With Arms Parallel to Ground

54 in 1373 mm
Turning Radius from Center - Bucket

88.8 in 2256 mm
Bucket Pin Height - Maximum Lift

124.9 in 3173 mm
Length - With Bucket on Ground

146.2 in 3714 mm
Length - Without Bucket

117.9 in 2995 mm
Reach - Maximum Lift/Dump

22.6 in 575 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).
Clearance at Maximum Lift and Dump

97.8 in 2485 mm
Vehicle Width (450 mm/17.7 in tracks)

78 in 1981 mm
Rack Back Angle - Maximum Height

84°

Engine

Gross Power - SAE J1995

74.3 hp 55.4 kW
Net Power - SAE 1349

72.9 hp 54.4 kW
Displacement

203 in³ 3.3 l
Bore

3.7 in 94 mm
Stroke

4.7 in 120 mm
Peak Torque - 1,500 rpm - SAE J1995

195 ft·lbf 265 N·m
Net Power

72.9 hp 54.4 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.
Gross Power

74.3 hp 55.4 kW
Engine Model

Cat C3.3B DIT (turbo)
Net Power - ISO 9249

73.7 hp 54.9 kW

Hydraulic System

Hydraulic Flow - Standard - Loader Hydraulic Pressure

3335 psi 23000 kPa
Hydraulic Flow - High Flow XPS - Maximum Loader Hydraulic Flow

32 gal/min 121 l/min
Hydraulic Flow - Standard - Loader Hydraulic Flow

23 psi 86 kPa
Hydraulic Flow - Standard - Hydraulic Power (Calculated)

44 hp 33 kW
Hydraulic Flow - High Flow XPS - Maximum Loader Hydraulic Pressure

4061 hp 28000 kW
Hydraulic Flow - High Flow XPS - Hydraulic Power (Calculated)

76 hp 57 kPa

Noise Level

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.
Outside Cab***

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

83 dB(A) 83 dB(A)
Note (1)

Cab and Rollover Protective Structures (ROPS) are standard in North America and Europe.

Operating Specifications

Rated Operating Capacities - 35% Tipping Load

2220 lb 1010 kg
Tipping Load

6345 lb 2885 kg
Breakout Force - Tilt Cylinder

7285 lb 3304 kg
Rated Operating Capacities - 50% Tipping Load

3170 lb 1445 kg
Ground Contact Area - With 450 mm/17.7 in Track

2272 in² 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).
Rated Operating Capacity with Optional Counterweight

3390 lb 1540 kg
Ground Pressure - With 450 mm/17.7 in Track

4.4 psi 30.4 kPa

Power Train

Travel Speed - Forward or Reverse - Two Speed

8.3 mile/h 13.3 km/h
Travel Speed - Forward or Reverse - One Speed

4.5 mile/h 7.2 km/h

Service Refill Capacities

Hydraulic System

13.7 gal (US) 52 l
Hydraulic Tank

10.3 gal (US) 39 l
Fuel Tank

27.7 gal (US) 105 l
Engine Crankcase

3 gal (US) 11 l
Cooling System

3.7 gal (US) 14 l

Weights

Operating Weight

10095 lb 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).

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. Continuing the industry leading trend, the D3 Series also includes as standard, seat mounted adjustable joystick controls for operator comfort.

Maximum Performance

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.

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, and work tool positioner.

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 load retention, increased productivity and greater operator comfort.

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. Also features multi-language functionality with customizable layouts, security system and rearview camera.

Sustainability

The Cat® C3.3B engine meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels up to: 7% biodiesel FAME (fatty acid methyl ester). Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details.
Cat® Extended Life Coolant and long-life HYDO Advanced hydraulic fluids not only reduce downtime but help decrease the amount of fluid and filters that are replaced over the life of the machine.
Boost productivity with Cat technologies like work tool positioner, return to dig, and Cat Smart Attachments.
Save fuel and reduce your greenhouse gas emissions with efficiency features such as foot throttle pedal and cooling system demand fan.

Equipment Info

ELECTRICAL

12 volt Electrical System

OPERATOR ENVIRONMENT

Advanced Display with Rearview Camera: Full Color, 127 mm (5 in) LCD screen; Advanced Multi-operator Security System; On-screen Adjustments for Implement Response, Hystat Response, and Creep Control

POWER TRAIN

Cat C3.3B, Turbo Diesel Engine, Meeting Tier 4 Final and Stage V Emission Standards

OTHER

Engine Enclosure, Lockable

MANDATORY EQUIPMENT

Hydraulics, Standard or High Flow XPS

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