279D3

Compact Track Loaders 279D3

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Key Specs

Gross Power - SAE J1995
74.3 HP
55.4 kW
Rated Operating Capacities - 35% Tipping Load
2220 lb
1010 kg
Operating Weight
10095 lb
4579 kg

Overview

Comfortable. Performance. Smart.

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.

Benefits

15% Additional Space For More Operator Comfort

•Redesigned, More Comfortable Cab •Wider opening door for easier machine entry

PERFORMANCE

•Improved Performance-Tuned Suspension •Customer Driven Enhancements to Fuel System and Drive Train

SMART

•Providing the Next Level Machine and Tool Compatibility •Integrated SMART technology to automate complex attachments – INDUSTRY FIRSTS ·Attachment recognition ·Tailors controls ·Grade Assist

Product Specifications for 279D3

Gross Power - SAE J1995 74.3 HP 55.4 kW
Net Power - SAE 1349 71.8 HP 53.6 kW
Displacement 203 in³ 3.3 l
Bore 3.7 in 94 mm
Stroke 4.7 in 120 mm
Net Power ISO 9249† 73.2 HP 54.6 kW
Net Power 71.8 HP 53.6 kW
Peak Torque - 1,600 rpm - SAE J1995 195 ft·lbf 265 N·m
Engine Model Cat C3.3B DIT (turbo) Cat C3.3B DIT (turbo)
Net Power SAE 1349† 72.4 HP 54 kW
Gross Power 74.3 HP 55.4 kW
Net Power - ISO 9249 72.6 HP 54.1 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. 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. †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.
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 Capacity with Optional Counterweight 3390 lb 1540 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). 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 30.4 kPa
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). 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).
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 ft 226 mm
Departure Angle 32° 32°
Maximum Dump Angle 39° 39°
Maximum Overall Height 159.5 in 4051 mm
Clearance at Maximum Lift and Dump 97.8 in 2485 mm
Length - With Bucket on Ground 146.2 in 3714 mm
Turning Radius from Center - Machine Rear 70.7 in 1796 mm
Turning Radius from Center - Bucket 88.8 in 2256 mm
Bucket Pin Height - Carry Position 7.8 in 198 mm
Turning Radius from Center - Coupler 55.5 in 1410 mm
Bucket Pin Height - Maximum Lift 124.9 in 3173 mm
Length - Without Bucket 117.9 in 2995 mm
Maximum Reach - With Arms Parallel to Ground 54 in 1373 mm
Rack Back Angle - Maximum Height 84° 84°
Vehicle Width (450 mm/17.7 in tracks) 78 in 1981 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). 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 575 mm
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 - High Flow XPS - Hydraulic Power (Calculated) 76 psi 57 kPa
Hydraulic Flow - Standard - Hydraulic Power (Calculated) 44 HP 33 kW
Hydraulic Flow - Standard - Loader Hydraulic Flow 23 psi 86 kPa
Hydraulic Flow - High Flow XPS - Maximum Loader Hydraulic Pressure 4061 HP 28000 kW
ROPS ISO 3471:2008 ISO 3471:2008
FOPS ISO 3449:2005 Level I ISO 3449:2005 Level I
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
Fuel Tank 27.7 gal (US) 105 l
Cooling System 3.7 gal (US) 14 l
Hydraulic System 13.7 gal (US) 52 l
Engine Crankcase 3 gal (US) 11 l
Hydraulic Tank 10.3 gal (US) 39 l
Air Conditioning The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1 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 kg of refrigerant which has a CO2 equivalent of 1.430 metric tonnes.
Outside Cab*** 103 dB(A) 103 dB(A)
Inside Cab** 83 dB(A) 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. **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 labeled sound power level for the CE marked configurations when measured according to the test procedure and conditions specified in 2000/14/EC.

279D3 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
  • 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

279D3 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)

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Media Gallery

Cat® 279D3 Compact Track Loader

Cat® 279D3 Compact Track Loader

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Cat® Skid Steer and Compact Track Loaders D3 Series | At Work
Cat® Compact Track Loader D3 Series | Overview
Cat® Compact Track Loader D3 Series | Features and Benefits
Cat® Skid Steer and Compact Track Loader D3 Series | Daily Maintenance Overview
Cat® Compact Track Loader D3 Series | Track Maintenance and Adjustment
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The Cat® D3 Series Skid Steer and Compact Track Loaders

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