279D3 Compact Track Loader

Gross Power - SAE J199574.3hp

Net Power - SAE 134972.9hp

Displacement203in³

Bore3.7in

Stroke4.7in

Peak Torque - 1,500 rpm - SAE J1995195ft·lbf

Net Power72.9hp

NoteNet power advertised is the power available at the flywheel when the engine is equipped with alternator, air cleaner, muffler/aftertreatment and cooling fan.

Gross Power74.3hp

Engine ModelCat C3.3B DIT (turbo)

Net Power - ISO 924973.7hp

Rated Operating Capacities - 35% Tipping Load2220lb

Tipping Load6345lb

Breakout Force - Tilt Cylinder7285lb

Rated Operating Capacities - 50% Tipping Load3170lb

Ground Contact Area - With 450 mm/17.7 in Track2272in²

NoteOperating 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 hydr

Rated Operating Capacity with Optional Counterweight3390lb

Ground Pressure - With 450 mm/17.7 in Track4.4psi

Operating Weight10095lb

Length - Track on Ground64.2in

Overall Length - Track83.8in

Height - Top of Cab83.2in

Ground Clearance8.9in

Departure Angle32°

Maximum Dump Angle39°

Bucket Pin Height - Carry Position7.8in

Turning Radius from Center - Machine Rear70.7in

Turning Radius from Center - Coupler55.5in

Maximum Overall Height159.5in

Maximum Reach - With Arms Parallel to Ground54in

Turning Radius from Center - Bucket88.8in

Bucket Pin Height - Maximum Lift124.9in

Length - With Bucket on Ground146.2in

Length - Without Bucket117.9in

Reach - Maximum Lift/Dump22.6in

Clearance at Maximum Lift and Dump97.8in

Vehicle Width (450 mm/17.7 in tracks)78in

Rack Back Angle - Maximum Height84°

ROPSISO 3471:2008

FOPSISO 3449:2005 Level I

Outside Cab***103dB(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**83dB(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 spe

Hydraulic Flow - Standard - Loader Hydraulic Pressure3335psi

Hydraulic Flow - High Flow XPS - Maximum Loader Hydraulic Flow32gal/min

Hydraulic Flow - Standard - Loader Hydraulic Flow23psi

Hydraulic Flow - Standard - Hydraulic Power (Calculated)44hp

Hydraulic Flow - High Flow XPS - Maximum Loader Hydraulic Pressure4061hp

Hydraulic Flow - High Flow XPS - Hydraulic Power (Calculated)76hp

Travel Speed - Forward or Reverse - Two Speed8.3mile/h

Travel Speed - Forward or Reverse - One Speed4.5mile/h

Hydraulic System13.7gal (US)

Hydraulic Tank10.3gal (US)

Fuel Tank27.7gal (US)

Engine Crankcase3gal (US)

Cooling System3.7gal (US)

Air ConditioningThe 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.

Standard

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

Standard

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

Standard

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)

Standard

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

Standard

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

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)