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The Cat® 259B Series 3 Compact Track Loader features a fully suspended, steel embedded rubber track undercarriage for versatility, durability and comfort. High performance power train, advanced hydraulic system and a wide range of Cat Work Tools improve your productivity in the toughest working conditions.


Engine Model Cat® C3.4T Cat® C3.4T Less
Net Power 71.0 hp 53.0 kW Less
Gross Power SAE J1995 74.0 hp 55.0 kW Less
Net Power SAE 1349 71.0 hp 53.0 kW Less
Displacement 201.0 in3 3.3 L Less
Bore 3.7 in 94.0 mm Less
Stroke 4.7 in 120.0 mm Less


Operating Weight 8934.0 lb 4052.0 kg Less

Operating Specifications

Rated Operating Capacities: 50% Tipping Load 2950.0 lb 1338.0 kg Less
Rated Operating Capacities: 35% Tipping Load 2065.0 lb 937.0 kg Less
Ground Contact Area 1495.0 in2 0.96 m2 Less
Ground Pressure 6.0 psi 41.2 kPa Less
Tipping Load 5900.0 lb 2676.0 kg Less
Breakout Force, Tilt Cylinder 4508.0 lb 2045.0 kg Less
Rated Operating Capacity with Optional Counterweight 3000.0 lb 1360.0 kg Less


Length of Track on Ground 59.0 in 1495.0 mm Less
Overall Length of Track 79.0 in 1995.0 mm Less
Length w/Bucket on Ground 135.0 in 3432.0 mm Less
Length w/o Bucket 107.0 in 2722.0 mm Less
Height to Top of Cab 78.0 in 1986.0 mm Less
Vehicle Width 66.0 in 1676.0 mm Less
Max. Overall Height 152.0 in 3872.0 mm Less
Bucket Pin Height at Max. Lift 120.0 in 3046.0 mm Less
Bucket Pin Height at Carry Pos. 8.0 in 195.0 mm Less
Reach at Max. Lift/Dump 29.0 in 740.0 mm Less
Clearance at Max. Lift/Dump 88.0 in 2243.0 mm Less
Ground Clearance 9.0 in 222.0 mm Less
Departure Angle 35° 35° Less
Maximum Dump Angle 49.5° 49.5° Less
Turn Radius from Ctr - Rear 58.0 in 1471.0 mm Less
Turn Radius from Ctr - Coupler 55.0 in 1393.0 mm Less
Turn Radius from Ctr - Bucket 86.0 in 2174.0 mm Less
Max. Reach w/Arms Parallel 53.0 in 1338.0 mm Less
Rack Back Angle at Max Height 87° 87° Less

Hydraulic System

Hydraulic Flow Standard Standard Less
Loader Hydraulic Pressure 3335.0 psi 23000.0 kPa Less
Loader Hydraulic Flow 22.0 gal/min 83.0 L/min Less
Hydraulic Power 42.8 hp 31.9 kW Less
Hydraulic Flow High Flow High Flow Less
Loader Hydraulic Pressure 3335.0 psi 23000.0 kPa Less
Loader Hydraulic Flow 31.0 gal/min 117.0 L/min Less
Hydraulic Power (calculated) 60.3 hp 45.0 kW Less


ROPS SAE J1040 MAY94, ISO 3471:1994 SAE J1040 MAY94, ISO 3471:1994 Less
FOPS SAE J1043 SEPT87, ISO 3449:1992 Level I SAE J1043 SEPT87, ISO 3449:1992 Level I Less
FOPS Level II SAE J231 JAN81, ISO 3449:1992 Level II SAE J231 JAN81, ISO 3449:1992 Level II Less

Power Train

Travel Speed Forward 5.9 mph 9.5 km/h Less
Travel Speed Reverse 5.9 mph 9.5 km/h Less
Travel Speed Reverse - 2-Speed 8.5 mph 13.6 km/h Less
Travel Speed Forward - 2-Speed 8.5 mph 13.6 km/h Less

Service Refill Capacities

Cooling System 2.6 gal 10.0 L Less
Engine Crankcase 2.4 gal 9.0 L Less
Fuel Tank 22.2 gal 84.0 L Less
Hydraulic System 14.5 gal 55.0 L Less
Hydraulic Tank 9.2 gal 35.0 L Less

Operator Station

Superior comfort to keep you productive throughout the work day.


Fully suspended, steel embedded rubber track undercarriage.

Power Train

Aggressive performance with fuel efficiency.

Vertical Lift Linkage

Built for tough jobs.


Exceptional lift, breakout and power to meet your needs.

Work Tools

Do more jobs with one machine with Cat Work Tools.


Simplified service and maintenance save you time and money.

Customer Support

Support you can count on.

259B Series 3 Standard Equipment

  • 12 volt Electrical System
  • 90 ampere Alternator
  • Automatic Glow Plug Activation
  • Heavy Duty Battery, 880 CCA
  • Ignition Key Start/Stop Switch
  • Lights: Gauge backlighting, two rear tail lights, two adjustable front and rear halogen lights, dome light.

  • 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, parking brake engaged
  • Vinyl seat
  • Pull Down 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 Rear View Mirror
  • 12 volt Electric Socket
  • Horn
  • Backup Alarm
  • Hand and Foot Throttle

  • Cat C3.4 DIT Diesel Engine
  • Engines are Tier 4 Interim/Stage IIIA Compliant
  • Air Cleaner, Dual Element, Radial Seal
  • S·O·SSM Sampling Valve, Hydraulic Oil
  • Filters, Spin-on, Hydraulic
  • Filters, Bayonet-type, Fuel and Water Separator
  • Tilt Up Radiator/Hydraulic Oil Cooler
  • Spring Applied, Hydraulically Released Parking Brakes
  • Hydrostatic Transmission

  • Engine Enclosure, Lockable
  • Extended Life Antifreeze, -36° C (-33° F)
  • Machine Tie Down Points (4)
  • 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
  • Split D-Ring to Route Work Tool Hoses Along Side of Left Lift Arm
  • Electrical Outlet, Beacon
  • Belly Pan Cleanout

  • Quick Coupler, Mechanical or Hydraulic
  • Seat Belt, 50 mm (2 in) or 75 mm (3 in)
  • EU Preparation Package (Europe only - includes Demand Fan)
  • Cooling Fan, Demand or Standard (EU Preparation Package includes Demand Fan)
  • Comfort Packages (must select one of the following):
  • Open ROPS (C0): Static Seat
  • Open ROPS (C1): Suspension Seat, Deluxe Headliner
  • Enclosed ROPS (C2): Features of C1 Package plus Heater, Cab Door, Side Windows, Cup Holder, Cab Debris Barrier
  • Enclosed ROPS (C3): Features of C2 Package plus Air Conditioner
  • Control Packages for the 259B Series 3 (must select one of the following):
  • Control Package 1: Proportional Auxiliary Hydraulics Deluxe, 2 Speed
  • Control Package 2: Proportional Auxiliary Hydraulics Deluxe, 2 Speed, Work Tool Harness
  • Control Package 3: High Flow Hydraulics, 2 Speed

259B Series 3 Optional Equipment

400 mm (15.7 in) track with dual flange front idler


Variable Speed Demand Fan

Beacon, Rotating

Engine Block Heater--120V or 240V

Oil, Hydraulic, Cold Operation

Paint, Custom

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