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Multi Terrain Loaders(Non Current)

Cat® Compact Track Loaders and Multi Terrain Loaders give you all the traction and flotation benefits of tracks. A choice of undercarriages lets you choose the machine that best fits your applications.

257B Series 3 Multi Terrain Loader

The Cat® B-Series 3 Multi Terrain Loaders feature suspended undercarriages for lower ground pressure and superior traction. Spacious, ergonomic operator station and easy-to-use pilot operated joystick controls keep you comfortable throughout the work day. High performance power train, advanced hydraulic system, traditional Cat reliability and a wide range of Cat Work Tools improve your productivity in the toughest working conditions.

  • Specification Summary

  • Engine ModelCat® C3.4 DIT
  • Net Power53 kW
  • Rated Operating Capacities: 50% Tipping Load1213 kg
  • Rated Operating Capacities: 35% Tipping Load848 kg
  • Gross Power55 kW
  • Product Brochure


Product Details


Engine Model Cat® C3.4 DIT
Net Power 53 kW
Gross Power 55 kW
Gross Power SAE J1995 55 kW
Net Power EEC ISO 9249 53 kW
Net Power SAE 1349 53 kW
Displacement 3.3 L
Bore 94 mm
Stroke 120 mm

Operating Specifications

Rated Operating Capacities: 50% Tipping Load 1213 kg
Rated Operating Capacities: 35% Tipping Load 848 kg
Ground Contact Area 1.14 m2
Ground Pressure 31 kPa
Tipping Load 2427 kg
Breakout Force, Tilt Cylinder 2045 kg

Power Train

Travel Speed Forward 11.1 km/h
Travel Speed Reverse 11.1 km/h
Travel Speed Reverse - 2-Speed Option 16.1 km/h
Travel Speed Forward - 2-Speed Option 16.1 km/h


Operating Weight 3656 kg

Service Refill Capacities

Cooling System 10 L
Engine Crankcase 9 L
Fuel Tank 84 L
Hydraulic System 55 L
Hydraulic Tank 35 L


Length of Track on Ground 1499 mm
Overall Length of Track 1899 mm
Length w/Bucket on Ground 3439 mm
Length w/o Bucket 2718 mm
Height to Top of Cab 2035 mm
Vehicle Width 1676 mm
Max. Overall Height 3895 mm
Bucket Pin Height at Max. Lift 3069 mm
Bucket Pin Height at Carry Pos. 212 mm
Reach at Max. Lift/Dump 758 mm
Clearance at Max. Lift/Dump 2309 mm
Ground Clearance 246 mm
Departure Angle 37°
Maximum Dump Angle 50°
Turn Radius from Ctr - Rear 1451 mm
Turn Radius from Ctr - Coupler 1412 mm
Turn Radius from Ctr - Bucket 2192 mm
Max. Reach w/Arms Parallel 1335 mm
Rack Back Angle at Max Height 87°


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

Hydraulic System

Hydraulic Flow Standard
Loader Hydraulic Pressure 23000 kPa
Loader Hydraulic Flow 83 L/min
Hydraulic Power 31.9 kW
Hydraulic Flow High Flow
Loader Hydraulic Pressure 23000 kPa
Loader Hydraulic Flow 117 L/min
Hydraulic Power (calculated) 45 kW

Operator Station

Superior comfort to keep you productive throughout the work day.

All Day Comfort

Comfort and ease of operation have been designed into every aspect of the operator station. The wide, spacious interior and uncluttered floor provide a comfortable work environment with excellent head, shoulder and leg room to keep productivity high and fatigue low. The adjustable seat and low effort controls keep the operator comfortable throughout the work day.

Low Effort Joystick Controls

Ergonomic, pilot hydraulic controls deliver precise control with minimal effort. The right joystick controls the loader raise, lower and tilt functions while the left joystick controls the forward and reverse travel speed plus direction. Optional deluxe joysticks provide additional auxiliary controls with fingertip control of many work tool functions, including proportional work tool hydraulics and work tool electrical. Basic and deluxe joystick functions include one-touch continuous auxiliary hydraulic flow and momentary auxiliary hydraulic flow.

Excellent Visibility

The wide cab opening offers an exceptional view to the work tool. The sloped angle of the engine compartment allows excellent visibility to the rear of the machine. The standard rear view mirror gives the operator a panoramic view of the machine's rear and sides. The side windows remove easily for cleaning.

Additional Features for Maximum Comfort

The B-Series 3 machines offer the following additional features to help you on the job:
  • Suspension seat option for even greater operator comfort.
  • Easy to read instrument panels.
  • Optional air conditioner and heater for greater comfort in extreme conditions.
  • Standard floormat with footrest provides non-slip surface and can be removed for easy cleaning.
  • Ergonomic, contoured and padded armbar provides comfortable operation.


Suspended, rugged, rubber track undercarriage delivers extremely low ground pressure.

Multi Terrain Loader Undercarriage

The Cat 247B Series 3 and 257B Series 3 Multi Terrain Loaders feature a fully suspended, rugged, durable rubber track that is lightweight and pliable, yet reinforced with high tensile strength cords. The undercarriage provides extremely low ground pressure, allowing these machines to operate over sensitive surfaces and in soft underfoot conditions. The single level suspension undercarriage distributes the load and greatly reduces shock and vibration throughout the machine for a comfortable ride and excellent bucket load retention. The Cat Multi Terrain Loader undercarriage also features:
  • Heavy duty torsion axles that suspend each side of the machine frame independently for a smoother ride over rough terrain.
  • Components that are replaceable as individual wear items, reducing owning and operating costs.
  • Ground pressure rating of 27.3 kPa (4.0 psi) for the 247B Series 3 and 31 kPa (4.5 psi) for the 257B Series 3.

Power Train

Aggressive performance with fuel efficiency.

Cat Engine

The high performance power train provides high engine horsepower and torque. The B-Series 3 machines feature rugged, reliable Cat engines that meet U.S. EPA Tier 4 Interim and EU Stage IIIA emissions requirements.

Hand and Foot Throttles

Hand and foot throttles allow the operator to match engine speed to the task. The hand throttle is ideal for jobs requiring constant engine speed such as cold planing, trenching or snow blowing. The foot throttle lets the operator vary engine speed and minimize fuel consumption for other tasks such as load and carry, truck loading, grading and dozing.

Anti-Stall Feature

The anti-stall system maximizes machine power at all times by matching the engine torque with the operational requirements of the hystat and implement systems. This load sensing feature prevents the engine from stalling even during part throttle operation, keeping productivity high and fuel consumption low.

Two Speed

Two speed is available as an option on the 257B Series 3 Multi Terrain Loader to improve cycle times and get the job done faster.

Lift Linkages

Built for tough jobs.

Vertical Lift

The 257B Series 3 features a vertical lift design which provides extended reach and lift height for quick and easy truck loading and material placement. The lift height is 3069 mm (121 in) on the 257B Series 3.


Exceptional lift, breakout and power to meet your needs.

High Performance Hydraulic System

Maximum power and reliability are built into the machine’s hydraulic system. In addition to providing power to the tracks, this system also provides the loader lift and tilt functions, powers the auxiliary circuit to drive work tools and drives the engine cooling fan. The hydraulic pumps are driven directly off the engine for maximum hydraulic performance and reliability – no belts are used. The hydraulic system also features:
  • Standard auxiliary hydraulics to power work tools that are available through quick connect hydraulic couplings rigidly mounted to the loader arm.
  • Cat ToughGuard™ hoses for increased reliability and durability.

High Flow Hydraulics

High flow hydraulic system is available on the 257B Series 3 for greater machine versatility and increased work tool performance.

High Efficiency Cooling System

Cooling capacity is maximized through the use of a side-by-side cooling package and hydraulically driven cooling fan.
  • High-efficiency, hydraulic oil cooler lets the machine work longer and harder in higher ambient temperatures, even with continuous work tool usage.
  • Efficient, hydraulically driven cooling fan provides cooling even when the machine is under load.
  • Optional variable speed demand fan provides improved fuel efficiency, increased machine performance, reduced sound levels and improved cold weather performance.

Work Tools

Do more jobs with one machine with Cat Work Tools.

The Right Tool for the Job

Get the most out of your machine with the comprehensive line of Cat Work Tools. Designed and built for optimum performance and durability, these tools deliver high productivity in a variety of applications to maximize the versatility and flexibility of the Cat Compact Track Loader and Multi Terrain Loader:
  • Augers
  • Backhoes
  • Blades (angle, dozer)
  • Buckets (general purpose, high capacity, dirt, utility, light material, multi purpose, industrial grapple, utility grapple)
  • Brooms (angle, pickup, utility)
  • Brushcutters
  • Cold Planers
  • Forks (pallet, industrial grapple, utility grapple, utility)
  • Hydraulic Hammers
  • Landscape Tillers
  • Landscape Rakes
  • Material Handling Arm
  • Power Box Rakes
  • Shear
  • Snow Blowers
  • Stump Grinders
  • Trenchers
  • Vibratory Compactors
  • Wheel Saws

Quick Couplers

Work tools can be changed quickly and easily with the machine’s quick coupler system. The standard quick coupler features manual engagement and disengagement of work tools using two high leverage handles. The optional hydraulic quick coupler allows the operator to quickly change tools without leaving the cab.


Simplified service and maintenance save you time and money.

Easy Service

Convenient service features make maintenance easy, reducing your downtime:
  • Industry exclusive tilt-up cooling package provides superior access to service points and coolers.
  • Rear door opens 90 degrees for easy access to both sides of the engine.
  • Cab tilts rearward for easy access to all hydraulic pumps, motors, valves, lines and hydraulic tank.
  • Daily maintenance points are easily accessible.
  • Electrical wiring is color coded and numbered for easy identification.
  • SOS oil sampling valve is standard to allow regular monitoring of the hydraulic oil quality.

Customer Support

Support you can count on.

Superior Dealer Services

Your Cat dealer is ready to assist you with your purchase decision and everything after.
  • Make comparisons of machines, with estimates of component life, preventative maintenance and cost of production
  • Financing packages are flexible to meet your needs
  • Your Cat dealer can evaluate the cost to repair, rebuild and replace your machine, so you can make the right decision
  • For more information on Cat products, dealer services and industry solutions, visit us at www.cat.com.
    •  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 brak
    •  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
    •  Backup Alarm
    •  Horn
  • 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 brak
      • 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
                        • Backup Alarm
                          • Horn
                            • POWER TRAIN
                              •  Cat C3.4 DIT Tier 4 Interim/Stage IIIA Compliant Diesel Engine
                              •  Air Cleaner, Dual Element, Radial Seal
                              •  SOSSM Sampling Valve, Hydraulic Oil
                              •  Filters, Spin-on, Hydraulic
                              •  Filters, Bayonet-type, Fuel and Water Separator
                              •  Tilt Up Radiator/Hydraulic Oil Cooler
                              •  Muffler, Standard
                              •  Spring Applied, Hydraulically Released Parking Brake
                              •  Hydrostatic Transmission
                            • OTHER
                              •  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
                            • MANDATORY EQUIPMENT
                              •  Hydraulics, Standard or High Flow
                              •  Quick Coupler, Mechanical or Hydraulic
                              •  EU Preparation Package (includes Demand Fan) (Europe only)
                              •  Seat Belt, 50 mm (2 in) or 75 mm (3 in)
                              •  Comfort Package (must select one of the following):
                              •   Open ROPS (C0): Static Seat, Deluxe Headliner
                              •   Open ROPS (C1): Suspension Seat
                              •   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 Package (must select one of the following):
                              •   Control Package 1: On/Off Auxiliary Hydraulics Basic
                              •   Control Package 2: Proportional Auxiliary Hydraulics Deluxe, 1 Speed
                              •   Control Package 3: Proportional Auxiliary Hydraulics Deluxe, 1 Speed, Work Tool Harness
                              •   Control Package 4: Proportional Auxiliary Hydraulics Deluxe, 2 Speed
                              •   Control Package 5: Proportional Auxiliary Hydraulics Deluxe, 2 Speed, Work Tool Harness
                              •   Control Package 6: High Flow Hydraulics, 1 Speed
                              •   Control Package 7: High Flow Hydraulics, 2 Speed
                            • Counterweight, increases rated operating capacity 23 kg (50 lb)
                              • Variable Speed Demand Fan
                                • Beacon, Rotating
                                  • Engine Block Heater--120V or 240V
                                    • Oil, Hydraulic, Cold Operation
                                      • Paint, Custom

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