Manufactured By: Caterpillar

Category: Compact Track Loader

Model Number: 259B3

TypeCompact Track Loader
Standard Flow22 GPM
High Flow31 GPM
Pressure3335PSI PSI
Hydraulic HP Standard Flow42. HP
Hydraulic HP High Flow60.3 HP
Engine HP74 HP
Width66 in.
Lift Capacity at 35%2065 lb.
Lift Capacity at 50%2950 lb.
Operating Weight9080.5 lb.
Tire Size


FOPSSAE J1043 SEPT87, ISO 3449:1992 Level I
FOPS Level IISAE J231 JAN81, ISO 3449:1992 Level II
ROPSSAE J1040 MAY94, ISO 3471:1994


Bucket Pin Height – Carry Position8 in (20 cm)
Bucket Pin Height – Maximum Lift10 ft (3 m)
Clearance at Max Lift and Dump7.4 ft (2 m)
Clearance at Maximum Lift and Dump88 in (224 cm)
Departure Angle35 °
Ground Clearance9 in (23 cm)
Height – Top of Cab6.5 ft (2 m)
Length – Track on Ground59 in (150 cm)
Length – with Bucket11.3 ft (3 m)
Length – With Bucket on Ground135 in (343 cm)
Length – without Bucket9 ft (3 m)
Length – Without Bucket107 in (272 cm)
Maximum Dump Angle49.5 °
Maximum Overall Height152 in (386 cm)
Maximum Reach – With Arms Parallel53 in (135 cm)
Overall Length – Track79 in (201 cm)
Rack Back Angle – Maximum Height87 °
Reach at Max Lift and Dump2.5 ft (1 m)
Reach at Maximum Lift/Dump29 in (74 cm)
Turn Radius from Center – Bucket86 in (218 cm)
Turn Radius from Center – Coupler55 in (140 cm)
Turn Radius from Center – Rear58 in (147 cm)
Turning Radius from Center – inc bucket85.6 in (217 cm)
Turning Radius from Center – machine rear58 in (147 cm)
Vehicle Width66 in (168 cm)
Width Over Tracks5.8 ft (2 m)


Bore3.7 in (9 cm)
Displacement201 cu in (0 m)
Engine ModelCat C3.4T
Gross Power74 hp (55 kw)
Gross Power – SAE J199574 hp (55 kw)
Net Power71 hp (53 kw)
Net Power – SAE 134971 hp (53 kw)
Stroke4.7 in (12 cm)

Hydraulic System

Hydraulic Flow (1)Standard
Hydraulic Flow (2)High Flow
Hydraulic Power42.8 hp (32 kw)
Hydraulic Power – Calculated60.3 hp (45 kw)
Loader Hydraulic Pressure3335 psi
Pump Flow22 gal/min (83 l/min)
Relief Valve Pressure3335 psi


Breakout Force4508.5 lbs (2,045 kg)
Operating Load2949.8 lbs (1,338 kg)
Tipping Angle5899.6 °

Operating Specifications

Alternator Supplied Amperage90 A
Breakout Force – Tilt Cylinder4508 lbs (2,045 kg)
Cooling System Fluid Capacity2.7 gal (10 l)
Engine Oil Capacity2.4 gal (9 l)
Fuel Capacity22.2 gal (84 l)
Ground Contact Area1495 cu in (0 m)
Ground Pressure6 psi
Hydraulic System Fluid Capacity14.6 gal (55 l)
Max Speed – high range8.5 mph (14 kph)
Max Speed – low range5.9 mph (9 kph)
Operating Voltage12 V V
Operating Weight9226.4 lbs (4,185 kg)
Rated Operating Capacities – 35% Tipping Load2065 lbs (937 kg)
Rated Operating Capacities – 50% Tipping Load2950 lbs (1,338 kg)
Rated Operating Capacity with Optional Counterweight3000 lbs (1,361 kg)
Tipping Load5900 lbs (2,676 kg)

Power Train

Travel Speed Forward5.9 mph (9 kph)
Travel Speed Forward – 2-Speed8.5 mph (14 kph)
Travel Speed Reverse5.9 mph (9 kph)
Travel Speed Reverse – 2-Speed8.5 mph (14 kph)

Service Refill Capacities

Cooling System2.6 gal (10 l)
Engine Crankcase2.4 gal (9 l)
Fuel Tank22.2 gal (84 l)
Hydraulic System14.5 gal (55 l)
Hydraulic Tank9.2 gal (35 l)


Ground Contact Area1848 cu in (0 m)
Ground Pressure5 psi
Length of Track on Ground5 ft (2 m)
Width of Track15.8 in (40 cm)


Operating Weight8934 lbs (4,052 kg)