279D

Heavy Equipment

279D

Net Power
72.9 HP / 54.4 kW
Gross Power
74.3 HP / 55.4 kW
Gross Power - SAE J1995
74.3 HP / 55.4 kW

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
Engine Model Cat C3.3B DIT (turbo)
Net Power 72.9 HP / 54.4 kW
Gross Power 74.3 HP / 55.4 kW
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
Net Power - ISO 9249 73.7 HP / 54.9 kW
Peak Torque - 1,500 rpm - SAE J1995 195 ft·lbf / 265 N·m
Weights
Operating Weight 9893 lb / 4487 kg
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 Specifications
Tipping Load 5870 lb / 2663 kg
Breakout Force - Tilt Cylinder 7285 lb / 3304 kg
Ground Contact Area - With 400 mm/15.7 in Track 2015 psi / 1.3 kPa
Rated Operating Capacities - 35% Tipping Load 2055 lb / 932 kg
Rated Operating Capacities - 50% Tipping Load 2935 lb / 1331 kg
Rated Operating Capacity with Optional Counterweight 3185 in² / 1444 m²
Ground Contact Area - With 450 mm/17.7 in Track 2272 in² / 1.47 m²
Ground Pressure - With 400 mm/15.7 in Track 4.9 psi / 33.9 kPa
Ground Pressure - With 450 mm/17.7 in Track 4.4 psi / 30 kPa
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).
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
Bucket Pin Height - Maximum Lift 124.9 in / 3173 mm
Clearance at Maximum Lift and Dump 97.8 in / 2485 mm
Length - With Bucket on Ground 146.2 in / 3714 mm
Length - Without Bucket 117.9 in / 2995 mm
Maximum Overall Height 159.5 in / 4051 mm
Maximum Reach - With Arms Parallel to Ground 54 in / 1373 mm
Rack Back Angle - Maximum Height 84°
Reach - Maximum Lift/Dump 22.6 in / 575 mm
Turning Radius from Center - Bucket 88.8 in / 2256 mm
Turning Radius from Center - Coupler 55.5 in / 1410 mm
Turning Radius from Center - Machine Rear 70.7 in / 1796 mm
Vehicle Width (400 mm/15.7 in tracks) 76 in / 1931 mm
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).
Vehicle Width (450 mm/17.7 in tracks) 78 in / 1981 mm
Hydraulic System
Hydraulic Flow - High Flow XPS - Hydraulic Power (Calculated) 76 psi / 57 kPa
Hydraulic Flow - High Flow XPS - Maximum Loader Hydraulic Flow 32 gal/min / 121 l/min
Hydraulic Flow - High Flow XPS - Maximum Loader Hydraulic Pressure 4061 HP / 28000 kW
Hydraulic Flow - Standard - Hydraulic Power (Calculated) 44 HP / 33 kW
Hydraulic Flow - Standard - Loader Hydraulic Flow 23 psi / 86 kPa
Hydraulic Flow - Standard - Loader Hydraulic Pressure 3335 psi / 23000 kPa
Cab
ROPS ISO 3471:2008
FOPS ISO 3449:2005 Level I
FOPS Level II ISO 3449:2005 Level II
Power Train
Travel Speed - Forward or Reverse - One Speed 4.5 mile/h / 7.2 km/h
Travel Speed - Forward or Reverse - Two Speed 7 mile/h / 11.3 km/h
Service Refill Capacities
Cooling System 3.7 gal (US) / 14 l
Engine Crankcase 3 gal (US) / 11 l
Fuel Tank 24.8 gal (US) / 94 l
Hydraulic System 13.7 gal (US) / 52 l
Hydraulic Tank 10.3 gal (US) / 39 l
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.
Noise Level
Inside Cab** 83 dB(A)
Note (1) Cab and Rollover Protective Structures (ROPS) are standard in North America and Europe.
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.
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.
Outside Cab*** 103 dB(A)

Standard Equipment

  • ELECTRICAL
    • 12 volt Electrical System
    • 80 ampere Alternator
    • Ignition Key Start/Stop Switch
    • Lights: Gauge Backlighting, Two Rear Tail Lights, Two Adjustable Front and Rear Halogen Lights, Dome Light
    • Backup Alarm
    • Heavy Duty Battery, 880 CCA
  • OPERATOR ENVIRONMENT
    • 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, Parking 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 U.S. EPA Tier 4 Final (EU Stage IIIB) Emission Standards
    • Air Cleaner, Dual Element, Radial Seal
    • S·O·SSM Sampling Valve, Hydraulic Oil
    • Filters, Cartridge-type, Hydraulic
    • Filters, Cartridge-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™ PL240, Cellular
  • MANDATORY EQUIPMENT
    • Hydraulics, Standard or High Flow XPS
    • Quick Coupler, Mechanical or Powered
    • Seat Belt, 50 mm (2 in) or 75 mm (3 in)
    • Steel Imbed Rubber Track – 400 mm (15.7 in) or 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), Electronic Snubbing (Raise and Lower)
      • Performance Package H3: High Flow XPS, Dual Direction Electronic Self Level (Raise and Lower), 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
    • Advanced Display: Full Color, 5 in LCD screen, Advanced Multi-operator Security System, On-screen Adjustments for Implement Response, Hystat Response, and Creep Control; Rearview Camera Ready
    • Advanced Display: Rearview Camera Included
    • Work Tool Return to Dig and Work Tool Positioner
    • Bluetooth Radio with Microphone (AM/FM/Weather Band Receiver with USB and Auxiliary Input Jack)
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