Riggs Cat

279D Compact Track Loader

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Specification Summary

Engine Model
Cat C3.3B DIT (turbo)
Net Power
72.9 HP
Gross Power
74.3 HP
Gross Power - SAE J1995
74.3 HP
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Engine

Engine Model
Cat C3.3B DIT (turbo)
Net Power
72.9 HP
Gross Power
74.3 HP
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
Net Power - ISO 9249
73.7 HP
Peak Torque - 1,500 rpm - SAE J1995
195 ft·lbf

Weights

Operating Weight
9893 lb
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,

Operating Specifications

Tipping Load
5870 lb
Breakout Force - Tilt Cylinder
7285 lb
Rated Operating Capacities - 50% Tipping Load
2935 lb
Rated Operating Capacities - 35% Tipping Load
2055 lb
Ground Contact Area - With 400 mm/15.7 in Track
2015 psi
Rated Operating Capacity with Optional Counterweight
3185 in²
Ground Contact Area - With 450 mm/17.7 in Track
2272 in²
Ground Pressure - With 400 mm/15.7 in Track
4.9 psi
Ground Pressure - With 450 mm/17.7 in Track
4.4 psi
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,

Dimensions

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
Bucket Pin Height - Maximum Lift
124.9 in
Clearance at Maximum Lift and Dump
97.8 in
Length - With Bucket on Ground
146.2 in
Length - Without Bucket
117.9 in
Maximum Overall Height
159.5 in
Maximum Reach - With Arms Parallel to Ground
54 in
Rack Back Angle - Maximum Height
84°
Reach - Maximum Lift/Dump
22.6 in
Vehicle Width (400 mm/15.7 in tracks)
76 in
Turning Radius from Center - Bucket
88.8 in
Turning Radius from Center - Coupler
55.5 in
Turning Radius from Center - Machine Rear
70.7 in
Vehicle Width (450 mm/17.7 in tracks)
78 in
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,

Hydraulic System

Hydraulic Flow - High Flow XPS - Hydraulic Power (Calculated)
76 HP
Hydraulic Flow - High Flow XPS - Maximum Loader Hydraulic Flow
32 gal/min
Hydraulic Flow - High Flow XPS - Maximum Loader Hydraulic Pressure
4061 psi
Hydraulic Flow - Standard - Hydraulic Power (Calculated)
44 HP
Hydraulic Flow - Standard - Loader Hydraulic Flow
23 psi
Hydraulic Flow - Standard - Loader Hydraulic Pressure
3335 psi

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
Travel Speed - Forward or Reverse - Two Speed
7 mile/h

Service Refill Capacities

Cooling System
3.7 gal (US)
Engine Crankcase
3 gal (US)
Fuel Tank
24.8 gal (US)
Hydraulic System
13.7 gal (US)
Hydraulic Tank
10.3 gal (US)

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 spe
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)
Engine Model
Cat C3.3B DIT (turbo)
Net Power
72.9 HP
Gross Power
74.3 HP
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
Operating Weight
9893 lb
Tipping Load
5870 lb
Breakout Force - Tilt Cylinder
7285 lb
Rated Operating Capacities - 50% Tipping Load
2935 lb
Rated Operating Capacities - 35% Tipping Load
2055 lb
Ground Contact Area - With 400 mm/15.7 in Track
2015 psi
Rated Operating Capacity with Optional Counterweight
3185 in²
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
Bucket Pin Height - Maximum Lift
124.9 in
Clearance at Maximum Lift and Dump
97.8 in
Length - With Bucket on Ground
146.2 in
Length - Without Bucket
117.9 in
Maximum Overall Height
159.5 in
Maximum Reach - With Arms Parallel to Ground
54 in
Rack Back Angle - Maximum Height
84°
Reach - Maximum Lift/Dump
22.6 in
Vehicle Width (400 mm/15.7 in tracks)
76 in
Turning Radius from Center - Bucket
88.8 in
Turning Radius from Center - Coupler
55.5 in
Turning Radius from Center - Machine Rear
70.7 in
Hydraulic Flow - High Flow XPS - Hydraulic Power (Calculated)
76 HP
Hydraulic Flow - High Flow XPS - Maximum Loader Hydraulic Flow
32 gal/min
Hydraulic Flow - High Flow XPS - Maximum Loader Hydraulic Pressure
4061 psi
Hydraulic Flow - Standard - Hydraulic Power (Calculated)
44 HP
Hydraulic Flow - Standard - Loader Hydraulic Flow
23 psi
Hydraulic Flow - Standard - Loader Hydraulic Pressure
3335 psi
ROPS
ISO 3471:2008
FOPS
ISO 3449:2005 Level I
FOPS Level II
ISO 3449:2005 Level II
Travel Speed - Forward or Reverse - One Speed
4.5 mile/h
Travel Speed - Forward or Reverse - Two Speed
7 mile/h
Cooling System
3.7 gal (US)
Engine Crankcase
3 gal (US)
Fuel Tank
24.8 gal (US)
Hydraulic System
13.7 gal (US)
Hydraulic Tank
10.3 gal (US)
Vehicle Width (450 mm/17.7 in tracks)
78 in
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.
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,
Net Power - ISO 9249
73.7 HP
Peak Torque - 1,500 rpm - SAE J1995
195 ft·lbf
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 spe
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)
Ground Contact Area - With 450 mm/17.7 in Track
2272 in²
Ground Pressure - With 400 mm/15.7 in Track
4.9 psi
Ground Pressure - With 450 mm/17.7 in Track
4.4 psi
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,
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,

Cat® Industrial Brushcutters are designed for land management, utilities, site prep and maintenance work for brush, small trees and dense vegetation.