279D3 Compact Track Loader

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279D3 Compact Track Loader

At a glance data:

Gross Power - SAE J1995:

74.3hp

Rated Operating Capacities - 35% Tipping Load:

2220lb

Operating Weight:

10095lb

Length - Track on Ground:

64.2in

Print 279D3 Product Brochure 239D3/249D3/259D3/279D3/289D3/299D3/299D3 XE Product Brochure Advanced Display User Guide for Skid Steer, Compact Track, and Multi Terrain Loaders - D/D2/D3 Series Retrofit Options and Accessories Guide for Compact Track, Skid Steer and Multi Terrain Loaders

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.

Engine

Gross Power - SAE J1995:

74.3hp

Operating Specifications

Rated Operating Capacities - 35% Tipping Load:

2220lb

Weights

Operating Weight:

10095lb

Dimensions

Length - Track on Ground:

64.2in

Overall Length - Track:

83.8in

Height - Top of Cab:

83.2in

Ground Clearance:

8.9in

Departure Angle:

32°

Maximum Dump Angle:

39°

Bucket Pin Height - Carry Position:

7.8in

Turning Radius from Center - Machine Rear:

70.7in

Turning Radius from Center - Coupler:

55.5in

Maximum Overall Height:

159.5in

Maximum Reach - With Arms Parallel to Ground:

54in

Turning Radius from Center - Bucket:

88.8in

Bucket Pin Height - Maximum Lift:

124.9in

Length - With Bucket on Ground:

146.2in

Length - Without Bucket:

117.9in

Reach - Maximum Lift/Dump:

22.6in

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:

97.8in

Vehicle Width (450 mm/17.7 in tracks):

78in

Rack Back Angle - Maximum Height:

84°

Hydraulic System

Hydraulic Flow - Standard - Loader Hydraulic Pressure:

3335psi

Hydraulic Flow - High Flow XPS - Maximum Loader Hydraulic Flow:

32gal/min

Hydraulic Flow - Standard - Loader Hydraulic Flow:

23psi

Hydraulic Flow - Standard - Hydraulic Power (Calculated):

44hp

Hydraulic Flow - High Flow XPS - Maximum Loader Hydraulic Pressure:

4061hp

Hydraulic Flow - High Flow XPS - Hydraulic Power (Calculated):

76hp

Cab

ROPS:

ISO 3471:2008

FOPS:

ISO 3449:2005 Level I

Power Train

Travel Speed - Forward or Reverse - Two Speed:

8.3mile/h

Travel Speed - Forward or Reverse - One Speed:

4.5mile/h

Service Refill Capacities

Hydraulic System:

13.7gal (US)

Hydraulic Tank:

10.3gal (US)

Fuel Tank:

27.7gal (US)

Engine Crankcase:

3gal (US)

Cooling System:

3.7gal (US)

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.

Engine

Net Power - SAE 1349:

72.9hp

Displacement:

203in³

Bore:

3.7in

Stroke:

4.7in

Peak Torque - 1,500 rpm - SAE J1995:

195ft·lbf

Net Power:

72.9hp

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:

74.3hp

Engine Model:

Cat C3.3B DIT (turbo)

Net Power - ISO 9249:

73.7hp

Operating Specifications

Tipping Load:

6345lb

Breakout Force - Tilt Cylinder:

7285lb

Rated Operating Capacities - 50% Tipping Load:

3170lb

Ground Contact Area - With 450 mm/17.7 in Track:

2272in²

Note:

Rated Operating Capacity with Optional Counterweight:

3390lb

Ground Pressure - With 450 mm/17.7 in Track:

4.4psi

Weights

Note:

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***:

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.

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)