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Compact Track and Multi Terrain Loaders

257D3 Multi Terrain Loader

Gross Power - SAE J1995 74.3 HP
Rated Operating Capacities - 35% Tipping Load 1800 lb
Operating Weight 8094 lb
Length - Track on Ground 59 in

The Cat® 257D3 Multi Terrain 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 and ride quality with very low ground pressure and minimal ground disturbance across a wide range of underfoot conditions.

Engine

Gross Power - SAE J1995
74.3HP
Net Power - SAE 1349
73.2HP
Displacement
203in³
Bore
3.7in
Stroke
4.7in
Net Power
73.2HP
Gross Power
74.3HP
Net Power - ISO 9249
73.9HP
Engine Model
Cat C3.3B DIT (turbo)
Peak Torque - 1,500 rpm - SAE J1995
195ft·lbf

Operating Specifications

Rated Operating Capacities - 35% Tipping Load
1800lb
Ground Contact Area
1770in²
Ground Pressure
4.6psi
Tipping Load
5145lb
Breakout Force - Tilt Cylinder
4965lb
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, standard flow hydraulics, mechanical suspension seat, no optional counterweights and manual q
Rated Operating Capacity with Optional Counterweight
2770lb
Rated Operating Capacities - 50% Tipping Load
2570lb

Weights

Operating Weight
8094lb
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, standard flow hydraulics, mechanical suspension seat, no optional counterweights and manual q

Dimensions

Length - Track on Ground
59in
Overall Length - Track
74.7in
Height - Top of Cab
83.8in
Vehicle Width
66in
Ground Clearance
9.5in
Departure Angle
35°
Maximum Dump Angle
52°
Bucket Pin Height - Carry Position
8.5in
Length - Without Bucket
108.9in
Clearance at Maximum Lift and Dump
90.5in
Turning Radius from Center - Machine Rear
61.2in
Turning Radius from Center - Coupler
55.1in
Maximum Reach - With Arms Parallel to Ground
52.5in
Bucket Pin Reach - Maximum Lift
14.5in
Length - With Bucket on Ground
137.3in
Bucket Pin Height - Maximum Lift
121.7in
Maximum Overall Height
154.8in
Reach - Maximum Lift/Dump
25.1in
Turning Radius from Center - Bucket
86.3in
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, standard flow hydraulics, mechanical suspension seat, no optional counterweights and manual q

Hydraulic System

Hydraulic Flow - Standard - Loader Hydraulic Pressure
3335psi
Hydraulic Flow - High Flow - Hydraulic Power (Calculated)
58HP
Hydraulic Flow - High Flow - Maximum Loader Hydraulic Pressure
3335psi
Hydraulic Flow - Standard - Loader Hydraulic Flow
20gal/min
Hydraulic Flow - Standard - Hydraulic Power (Calculated)
39HP
Hydraulic Flow - High Flow - Maximum Loader Hydraulic Flow
30gal/min

Cab

ROPS
ISO 3471:2008
FOPS
ISO 3449:2005 Level I

Power Train

Travel Speed - Forward or Reverse - Two Speed Option
9.9mile/h
Travel Speed - Forward or Reverse - One Speed
6.3mile/h

Service Refill Capacities

Cooling System
3.7gal (US)
Engine Crankcase
3gal (US)
Fuel Tank
24.8gal (US)
Hydraulic System
13.2gal (US)
Hydraulic Tank
10.3gal (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

Outside Cab***
103dB(A)
Inside Cab**
83dB(A)
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.
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.

Standard Equipment:

  • Electrical
    • 12 volt Electrical System
    • 80 ampere Alternator
    • Ignition Key Start/Stop Switch
    • Lights: Gauge Backlighting, Two Rear Tail Lights, Two Adjustable Front and Rear Halogen Lights, Dome Light
    • Backup Alarm
    • Heavy Duty Battery, 850 CCA
  • Operator Environment
    • Advanced Display with Rearview Camera: Full Color, 127 mm (5 in) LCD screen; Advanced Multi-operator Security System; On-screen Adjustments for Implement Response, Hystat Response, and Creep Control
    • 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, Engine Emission System
    • Adjustable Vinyl Seat
    • Fold In 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 Rearview Mirror
    • 12 volt Electric Socket
    • Horn
    • Hand (Dial) Throttle, Electronic
    • Adjustable Joystick Controls
    • Anti-theft Security System with 6-button Keypad
    • Storage Compartment with Netting
  • Power Train
    • Cat C3.3B, Turbo Diesel Engine, Meeting Tier 4 Final and Stage V Emission Standards
    • Air Cleaner, Dual Element, Radial Seal
    • S·O·SSM Sampling Valve, Hydraulic Oil
    • Filters, Cartridge-type, Hydraulic
    • Filters, Canister-type, Fuel and Water Separator
    • Radiator/Hydraulic Oil Cooler (side-by-side)
    • Spring Applied, Hydraulically Released Parking Brakes
    • Hydrostatic Transmission, One Speed Travel
    • Suspension – Independent Torsion Axles (4)
    • Rubber Track 381 mm (15 in)
  • Other
    • Engine Enclosure, Lockable
    • Extended Life Antifreeze, –36° C (–33° F)
    • Machine Tie Down Points (6)
    • 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 with Integrated Pressure Release
    • Split D-Ring to Route Work Tool Hoses Along Side of Left Lift Arm
    • Electrical Outlet, Beacon
    • Belly Pan Cleanout
    • Variable Speed Demand Fan
    • Product Link PL240, Cellular
  • Mandatory Equipment
    • Hydraulics, Standard or High Flow
    • Quick Coupler, Mechanical or Powered
    • High Visibility Seat Belt, 50 mm (2 in) or 75 mm (3 in)
    • EU Preparation Package
    • PERFORMANCE PACKAGES:
      – Performance Package H1: Standard Flow Hydraulics (No Self Level)
      – Performance Package H2: Standard Flow Hydraulics, Dual Direction Electronic Self Level (Raise and Lower), Work Tool Return to Dig, Work Tool Positioner, and Electronic Snubbing (Raise and Lower)
      – Performance Package H3: High Flow Hydraulics, Dual Direction Electronic Self Level (Raise and Lower), Work Tool Return to Dig, Work Tool Positioner, and Electronic Snubbing (Raise and Lower)
    • COMFORT PACKAGES:
      – Open ROPS (C0): Static Seat (No Foot Throttle, Headliner, Heater or Door)
      – Open ROPS (C1): Foot Throttle, Headliner, Cup Holder, and choice of Seat (Mechanical Suspension or High Back, Heated, Air Ride Seat) (No Heater or Door)
      – Enclosed ROPS with Heater (C2): Foot Throttle, Headliner, Heater and Defroster, Side Windows, Cup Holder, Radio Ready, choice of Seat (Mechanical Suspension or High Back, Heated, Air Ride Seat) and Door (Glass or Polycarbonate)
      – Enclosed ROPS with A/C (C3): C2 + Air Conditioner

Optional Equipment:

  • Optional Equipment
    • Hand-Foot Style Controls
    • External Counterweights
    • Beacon, Rotating
    • Engine Block Heater – 120V
    • Oil, Hydraulic, Cold Operation
    • Paint, Custom
    • Product Link PL641, Cellular
    • Speed Sensitive Ride Control
    • Bluetooth® Radio with Microphone (AM/FM/Weather Band Receiver with USB and Auxiliary Input Jack)
    • Two Speed Travel