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Caterpillar

279D3 Compact Track Loader

Gross Power - SAE J1995

74.3 hp

Rated Operating Capacities - 35% Tipping Load

2220 lb

Operating Weight

10095 lb

Overview

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.

Photos

Videos

  • At Work
  • Overview
  • Features and Benefits
  • Daily Maintenance
  • Track Maintenance and Adjustment
  • Experience What You Inspired
  • D3 Series Skid Steer and Compact Track Loaders

360° View

Exterior

Interior

Showroom

Virtual Product Tour

Features

Specifications

  • Engine
    Spec Value
    Gross Power - SAE J1995 74.3 hp
    Net Power - SAE 1349 72.9 hp
    Displacement 203 in³
    Bore 3.7 in
    Stroke 4.7 in
    Peak Torque - 1,500 rpm - SAE J1995 195 ft·lbf
    Net Power 72.9 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.
    Gross Power 74.3 hp
    Engine Model Cat C3.3B DIT (turbo)
    Net Power - ISO 9249 73.7 hp
  • Operating Specifications
    Spec Value
    Rated Operating Capacities - 35% Tipping Load 2220 lb
    Tipping Load 6345 lb
    Breakout Force - Tilt Cylinder 7285 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).
    Rated Operating Capacity with Optional Counterweight 3390 lb
    Ground Pressure - With 450 mm/17.7 in Track 4.4 psi
  • Weights
    Spec 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).
  • Dimensions
    Spec 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°
    Bucket Pin Height - Carry Position 7.8 in
    Turning Radius from Center - Machine Rear 70.7 in
    Turning Radius from Center - Coupler 55.5 in
    Maximum Overall Height 159.5 in
    Maximum Reach - With Arms Parallel to Ground 54 in
    Turning Radius from Center - Bucket 88.8 in
    Bucket Pin Height - Maximum Lift 124.9 in
    Length - With Bucket on Ground 146.2 in
    Length - Without Bucket 117.9 in
    Reach - Maximum Lift/Dump 22.6 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).
    Clearance at Maximum Lift and Dump 97.8 in
    Vehicle Width (450 mm/17.7 in tracks) 78 in
    Rack Back Angle - Maximum Height 84°
  • Hydraulic System
    Spec Value
    Hydraulic Flow - Standard - Loader Hydraulic Pressure 3335 psi
    Hydraulic Flow - High Flow XPS - Maximum Loader Hydraulic Flow 32 gal/min
    Hydraulic Flow - Standard - Loader Hydraulic Flow 23 psi
    Hydraulic Flow - Standard - Hydraulic Power (Calculated) 44 hp
    Hydraulic Flow - High Flow XPS - Maximum Loader Hydraulic Pressure 4061 hp
    Hydraulic Flow - High Flow XPS - Hydraulic Power (Calculated) 76 hp
  • Cab
    Spec Value
    ROPS ISO 3471:2008
    FOPS ISO 3449:2005 Level I
  • Power Train
    Spec Value
    Travel Speed - Forward or Reverse - Two Speed 8.3 mile/h
    Travel Speed - Forward or Reverse - One Speed 4.5 mile/h
  • Service Refill Capacities
    Spec Value
    Hydraulic System 13.7 gal (US)
    Hydraulic Tank 10.3 gal (US)
    Fuel Tank 27.7 gal (US)
    Engine Crankcase 3 gal (US)
    Cooling System 3.7 gal (US)
  • Air Conditioning System (if equipped)
    Spec 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.
  • Noise Level
    Spec Value
    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)
    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)
    Note (1) Cab and Rollover Protective Structures (ROPS) are standard in North America and Europe.

Standard Equipment

ELECTRICAL

  • 12 volt Electrical System
  • 80 ampere Alternator
  • Ignition Key Start/Stop Switch
  • Lights: Gauge Backlighting, Two Rear Tail Lights, Two Rear Halogen Working Lights, Two Adjustable Front Halogen Lights, Dome Light
  • Backup Alarm
  • Heavy Duty Battery, 850 CCA

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
  • Gauges: Fuel Level, Hour Meter
  • Operator Warning System Indicators: Air Filter Restriction, Alternator Output, Armrest Raised/Operator Out of Seat, Engine Coolant Temperature, Engine Oil Pressure, Glow Plug Activation, Hydraulic Filter Restriction, Hydraulic Oil Temperature, Park Brake Engaged, Engine Emission System
  • Adjustable Vinyl Seat
  • Fold In Ergonomic Contoured Armrest
  • Control Interlock System, when operator leaves seat or armrest raised: Hydraulic System Disables, Hydrostatic Transmission Disables, Parking Brake Engages
  • ROPS Cab, Open, Tilt Up
  • FOPS, Level I
  • Top and Rear Windows
  • Floor Mat
  • Interior Rearview Mirror
  • 12 volt Electric Socket
  • Horn
  • Hand (Dial) Throttle, Electronic
  • Adjustable Joystick Controls
  • Anti-theft Security System with 6-button Keypad
  • Storage Compartment with Netting

POWER TRAIN

  • Cat C3.3B, Turbo Diesel Engine, Meeting Tier 4 Final and Stage V Emission Standards
  • Air Cleaner, Dual Element, Radial Seal
  • S·O·SSM Sampling Valve, Hydraulic Oil
  • Filters, Cartridge-type, Hydraulic
  • Filters, Canister-type, Fuel and Water Separator
  • Radiator/Hydraulic Oil Cooler (side-by-side)
  • Spring Applied, Hydraulically Released, Wet Multi Disc Parking Brakes
  • Hydrostatic Transmission, Two Speed Travel
  • Suspension – Independent Torsion Axles (4)

OTHER

  • Engine Enclosure, Lockable
  • Extended Life Antifreeze, –37° C (–34° F)
  • Machine Tie Down Points (6)
  • Support, Lift Arm
  • Hydraulic Oil Level Sight Gauge
  • Radiator Coolant Level Sight Gauge
  • Radiator, Expansion Bottle
  • Cat ToughGuard™ Hose
  • Auxiliary, Hydraulics, Continuous Flow
  • Heavy Duty, Flat Faced Quick Disconnects with Integrated Pressure Release
  • Split D-Ring to Route Work Tool Hoses Along Side of Left Lift Arm
  • Electrical Outlet, Beacon
  • Belly Pan Cleanout
  • Variable Speed Demand Fan
  • Product Link™ PL243, Cellular

MANDATORY EQUIPMENT

  • Hydraulics, Standard or High Flow XPS
  • Quick Coupler, Mechanical or Powered
  • High Visibility Seat Belt, 50 mm (2 in) or 75 mm (3 in)
  • Steel Imbed Rubber Track – 450 mm (17.7 in)
  • Dual Flange Front Idler/Single Flange Rear Idler or Triple Flange Front/Rear Idlers
  • PERFORMANCE PACKAGES:
    – Performance Package H1: Standard Flow Hydraulics (No Self Level)
    – Performance Package H2: Standard Flow Hydraulics, Dual Direction Electronic Self Level (Raise and Lower), Work Tool Return to Dig, Work Tool Positioner, and Electronic Snubbing (Raise and Lower)
    – Performance Package H3: High Flow XPS, Dual Direction Electronic Self Level (Raise and Lower), Work Tool Return to Dig, Work Tool Positioner, and Electronic Snubbing (Raise and Lower)
  • COMFORT PACKAGES:
    – Open ROPS (C0): Static Seat (No Foot Throttle, Headliner, Heater or Door)
    – Open ROPS (C1): Foot Throttle, Headliner, Cup Holder, and choice of Seat (Mechanical Suspension or High Back, Heated, Air Ride Seat) (No Heater or Door)
    – Enclosed ROPS with Heater (C2): Foot Throttle, Headliner, Heater and Defroster, Side Windows, Cup Holder, Radio Ready, choice of Seat (Mechanical Suspension or High Back, Heated, Air Ride Seat) and Door (Glass or Polycarbonate)
    – Enclosed ROPS with A/C (C3): C2 + Air Conditioner

Optional Equipment

OPTIONAL EQUIPMENT

  • Hand-Foot Style Controls
  • External Counterweights
  • Beacon, Rotating
  • Engine Block Heater – 120V
  • Oil, Hydraulic, Cold Operation
  • Paint, Custom
  • Heavy Duty Battery, 1,000 CCA
  • Product Link PL641, Cellular
  • Speed Sensitive Ride Control
  • Bluetooth® Radio with Microphone (AM/FM/Weather Band Receiver with USB and Auxiliary Input Jack)