The Cat® 259D3 Compact Track Loader, with its vertical lift design, delivers extended reach and lift height for quick and easy truck loading. 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
- 74.3 HP
- Displacement
- 203 in³
- Net Power
- 73.2 HP
- Bore
- 3.7 in
- Engine Model
- Cat C3.3B DIT (turbo)
- Gross Power
- 74.3 HP
- Net Power - SAE 1349
- 73.2 HP
- Stroke
- 4.7 in
- Peak Torque - 1,500 rpm - SAE J1995
- 195 ft·lbf
- Net Power - ISO 9249
- 73.9 HP
Operating Specifications
- Rated Operating Capacities - 35% Tipping Load
- 2010 lb
- Tipping Load
- 5745 lb
- Breakout Force - Tilt Cylinder
- 4965 lb
- Ground Contact Area - With 320 mm/12.6 in Track
- 1483 in²
- Ground Pressure - With 320 mm/12.6 in Track
- 6.1 psi
- Rated Operating Capacities - 50% Tipping Load
- 2870 lb
- Ground Contact Area - With 400 mm/15.7 in Track
- 1848 in²
- Rated Operating Capacity with Optional Counterweight
- 3060 lb
- Ground Pressure - With 400 mm/15.7 in Track
- 4.9 psi
- Note
- Operating Weight, Operating Specifications and Dimensions all based on 75 kg (165 lb) operator, all fluids, two speed, OROPS, 1730 mm (68 in) low profile bucket, 320 mm (12.6 in) tracks, dual flange front idler/single flange rear idler, standard flow hydr
Weights
- Operating Weight
- 8987 lb
- Note
- Operating Weight, Operating Specifications and Dimensions all based on 75 kg (165 lb) operator, all fluids, two speed, OROPS, 1730 mm (68 in) low profile bucket, 320 mm (12.6 in) tracks, dual flange front idler/single flange rear idler, standard flow hydr
Dimensions
- Length - Track on Ground
- 59 in
- Overall Length - Track
- 78.7 in
- Height - Top of Cab
- 83.1 in
- Ground Clearance
- 8.9 in
- Departure Angle
- 35°
- Maximum Dump Angle
- 52°
- Bucket Pin Height - Carry Position
- 7.8 in
- Vehicle Width (400 mm/15.7 in tracks)
- 69 in
- Turning Radius from Center - Coupler
- 54.8 in
- Bucket Pin Reach - Maximum Lift
- 9.4 in
- Vehicle Width (320 mm/12.6 in tracks)
- 66 in
- Maximum Reach - With Arms Parallel to Ground
- 51.4 in
- Maximum Overall Height
- 154.1 in
- Turning Radius from Center - Bucket
- 86 in
- Bucket Pin Height - Maximum Lift
- 121 in
- Length - Without Bucket
- 108.9 in
- Rack Back Angle - Maximum Height
- 87°
- Note
- Operating Weight, Operating Specifications and Dimensions all based on 75 kg (165 lb) operator, all fluids, two speed, OROPS, 1730 mm (68 in) low profile bucket, 320 mm (12.6 in) tracks, dual flange front idler/single flange rear idler, standard flow hydr
- Turning Radius from Center - Machine Rear
- 61.5 in
- Length - With Bucket on Ground
- 137.3 in
- Clearance at Maximum Lift and Dump
- 89.9 in
- Reach - Maximum Lift/Dump
- 23.9 in
Cab
- ROPS
- ISO 3471:2008
- FOPS
- ISO 3449:2005 Level I
Hydraulic System
- Hydraulic Flow - High Flow - Loader Hydraulic Pressure
- 3335 psi
- Hydraulic Flow - High Flow - Hydraulic Power (Calculated)
- 58 HP
- Hydraulic Flow - Standard - Loader Hydraulic Pressure
- 3335 psi
- Hydraulic Flow - Standard - Loader Hydraulic Flow
- 20 gal/min
- Hydraulic Flow - Standard - Hydraulic Power (Calculated)
- 39 HP
- Hydraulic Flow - High Flow - Loader Hydraulic Flow
- 30 gal/min
Power Train
- Travel Speed - Forward or Reverse - One Speed
- 5.9 mile/h
- Travel Speed - Forward or Reverse - Two Speed
- 8.5 mile/h
Service Refill Capacities
- Hydraulic System
- 13.2 gal (US)
- Fuel Tank
- 24.8 gal (US)
- Engine Crankcase
- 3 gal (US)
- Hydraulic Tank
- 10.3 gal (US)
- Cooling System
- 3.7 gal (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 0.81 kg of refrigerant which has a CO2 equivalent of 1.158 metric tonnes.
Noise Level
- 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)
- Inside Cab**
- 83 dB(A)
- 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 (1)
- Cab and Rollover Protective Structures (ROPS) are standard in North America and Europe.