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Compact Wheel Loaders

903 Compact Wheel Loader

Maximum Gross Power

48 hp

Operating Weight

9,200 lb

Bucket Capacities

0.6-1.0 m3 (0.8-1.3 yd3)
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    SPECIFICATIONS

    The Cat® 903 is compact, yet powerful, delivering high performance with outstanding versatility. The all new C1.7 engine provides better all-around performance. Features such as engine and ground speed control, provides customizable control when running hydromechanical work tools. With an ergonomic cab, multi-function joystick, and optional ride control, the 903 allows the operator to enjoy all day comfort.

      FULL SPECIFICATIONS

      Buckets

      Bucket Capacities

      0.6-1.0 m3 (0.8-1.3 yd3)

      Bucket Capacities - General Purpose

      0.6 m3 (0.8 yd3)

      Bucket Capacities - Light Material

      1.0 m3 (1.3 yd3)

      Cab

      ROPS

      ISO 3471:2008

      FOPS

      ISO 3449:2005 Level I

      Dimensions (Approximate) - High Lift

      Cab Height

      8.25 ft

      Ground Clearance

      10 in

      Wheel Base

      6.42 ft

      Overall Length - With Bucket*

      16.03 ft

      Reach at Maximum Dump Height*

      2.33 ft

      Dig Depth

      6 in

      Maximum Dump Height*

      8.16 ft

      Load Over Height

      9.75 ft

      Hinge Pin at Maximum Height

      10.58 ft

      Departure Angle - Degrees

      30°

      Overall Length - With Forks

      17.25 ft

      Reach - Ground Level

      2.9 ft

      Maximum Reach

      4.66 ft

      Fork Depth Above Ground

      2 in

      Fork Height at Maximum Reach

      4.66 ft

      Maximum Fork Height

      10.4 ft

      Fork Reach at Maximum Height

      1.8 ft

      Turning Radius - Over Bucket*

      13.4 ft

      Turning Radius - Inside Tire**

      6 ft

      Width - Over Bucket*

      5.83 ft

      Tire Gauge

      4.33 ft

      Machine Width**

      5.58 ft

      Articulation Angle

      40°

      Steering Angle

      80°

      Dump Angle at Maximum Height

      40°

      Note (1)

      *Vary with bucket size.

      Note (2)

      **Vary with tire size.

      Note (3)

      Dimensions listed are based on a machine configured with cab, air conditioning, remote quick coupler, general purpose bucket or 1067 mm (42 in) forks, 75 kg (165 lb) operator, 33 × 15.5-16.5, 12 PR tires, without ride control, without precleaner.

      Dimensions (Approximate) - Standard Lift

      Cab Height

      8.25 ft

      Ground Clearance

      10 in

      Wheel Base

      6.42 ft

      Overall Length - With Bucket*

      15.4 ft

      Reach at Maximum Dump Height*

      2.33 ft

      Dig Depth

      5 in

      Maximum Dump Height*

      7.75 ft

      Load Over Height

      9.25 ft

      Hinge Pin at Maximum Height

      10.08 ft

      Departure Angle - Degrees

      30°

      Overall Length - With Forks

      16.83 ft

      Reach - Ground Level

      2.5 ft

      Maximum Reach

      4.33 ft

      Fork Depth Above Ground

      3 in

      Fork Height at Maximum Reach

      4.75 ft

      Maximum Fork Height

      9.9 ft

      Fork Reach at Maximum Height

      1.75 ft

      Turning Radius - Over Bucket*

      12.75 ft

      Turning Radius - Inside Tire**

      6 ft

      Width - Over Bucket*

      5.83 ft

      Tire Gauge

      4.33 ft

      Machine Width**

      5.58 ft

      Articulation Angle

      40°

      Steering Angle

      80°

      Dump Angle at Maximum Height

      40°

      Note (1)

      *Vary with bucket size.

      Note (2)

      **Vary with tire size.

      Note (3)

      Dimensions listed are based on a machine configured with cab, air conditioning, remote quick coupler, general purpose bucket or 1067 mm (42 in) forks, 75 kg (165 lb) operator, 33 × 15.5-16.5, 12 PR tires, without ride control, without precleaner.

      Engine

      Maximum Gross Power

      48 hp

      Engine Model

      Cat C1.7*

      Net Power @ 2,200 rpm - SAE J1349:2011

      45 hp

      Net Power @ 2,200 rpm - ISO 9249:2007

      45 hp

      Bore

      3.3 in

      Stroke

      3.9 in

      Displacement

      104 in²

      Note (1)

      Advertised power is tested per the specified standard in effect at the time of manufacture.

      Note (2)

      Net power advertised is the power available at the flywheel.

      Note

      *Engine meets U.S. EPA Tier 4 Final emission standards.

      Hydraulic System

      Main Relief

      3,336 psi

      3rd Auxiliary Flow

      14.1 gpm

      Hydraulic Cycle Time - Lift

      4.5 s

      Hydraulic Cycle Time - Dump

      0.7 s

      Hydraulic Cycle Time - Lower, Float

      2.3 s

      Maximum Material Densities - General Purpose

      Bucket Type

      General Purpose

      Rated Capacity

      0.8 yd³

      Dump Height

      93 in

      Maximum Material Density

      3,169 lb/yd³

      Bucket Width

      70 in

      Note

      Based on ISO 7546:1983 and rated operating loads at full turn and standard linkage.

      Maximum Material Densities - Light Material

      Bucket Type

      Light Material

      Rated Capacity

      1.3 yd³

      Dump Height

      88 in

      Maximum Material Density

      1,989 lb/yd³

      Bucket Width

      74 in

      Note

      Based on ISO 7546:1983 and rated operating loads at full turn and standard linkage.

      Operating Specifications - High Lift

      Tire Size

      33 × 15.5-16.5, 12 PR

      Rated Bucket Capacity

      0.8 yd³

      Breakout Force

      6,519 lbf

      Operating Weight

      9,231 lb

      Rated Operating Load at Full Turn - Bucket***

      2,553 lb

      Straight Tipping Load - Bucket***

      5,975 lb

      Full Turn Static Tipping Load - Bucket (ISO 14397-1*)***

      5,108 lb

      Full Turn Static Tipping Load - Bucket (Rigid Tire**)***

      5,238 lb

      Rack Back - Transport Position

      51°

      Rated Operating Load at Full Turn - Forks (EN 474-3:2006, Firm and Level Ground, 500 mm [20 in] Load Center) (80% FTSTL)***

      3,175 lb

      Rated Operating Load at Full Turn - Forks (EN 474-3:2006, Rough Terrain, 500 mm [20 in] Load Center) (60% FTSTL)***

      2,381 lb

      Note (1)

      *Full compliance to ISO 14397-1 (2007) Sections 1 thru 6, which requires 2% verification be-tween calculation and testing.

      Note (2)

      **Compliance to ISO 14397-1 (2007) Sections 1 thru 5.

      Note (3)

      ***Manual quick coupler, precleaner hood.

      Note (4)

      Operating specifications shown are based on machine equipped with enclosed ROPS cab with air conditioning, remote quick coupler, 75 kg (165 lb) operator and general purpose bucket (GP), without ride control, without precleaner unless otherwise noted.

      Operating Specifications - Standard Lift

      Tire Size

      33 × 15.5-16.5, 12 PR

      Rated Bucket Capacity

      0.8 yd³

      Breakout Force

      6,294 lbf

      Operating Weight

      9,200 lb

      Rated Operating Load at Full Turn - Bucket***

      2,756 lb

      Straight Tipping Load - Bucket***

      6,415 lb

      Full Turn Static Tipping Load - Bucket (ISO 14397-1*)***

      5,516 lb

      Full Turn Static Tipping Load - Bucket (Rigid Tire**)***

      5,626 lb

      Rack Back - Transport Position

      51°

      Rated Operating Load at Full Turn - Forks (EN 474-3:2006, Firm and Level Ground, 500 mm [20 in] Load Center) (80% FTSTL)***

      3,393 lb

      Rated Operating Load at Full Turn - Forks (EN 474-3:2006, Rough Terrain, 500 mm [20 in] Load Center) (60% FTSTL)***

      2,544 lb

      Note (1)

      *Full compliance to ISO 14397-1 (2007) Sections 1 thru 6, which requires 2% verification be-tween calculation and testing.

      Note (2)

      **Compliance to ISO 14397-1 (2007) Sections 1 thru 5.

      Note (3)

      ***Manual quick coupler, precleaner hood.

      Note (4)

      Operating specifications shown are based on machine equipped with enclosed ROPS cab with air conditioning, remote quick coupler, 75 kg (165 lb) operator and general purpose bucket (GP), without ride control, without precleaner unless otherwise noted.

      Service Refill Capacities

      Cooling System

      3 gal (US)

      Fuel Tank

      11.4 gal (US)

      Hydraulic System

      6.3 gal (US)

      Engine Oil

      1.6 gal (US)

      Sound Levels

      Interior Sound

      80.8 dB(A)

      Exterior Sound

      99.8 dB(A)

      Sustainability

      Recyclability

      95%

      Transmission

      Travel Speed

      12.4 mile/h

      Weights

      Operating Weight

      9,200 lb
      STANDARD EQUIPMENT

      • POWER TRAIN
        • Air cleaner, two stage with visual indicator
        • Cat C.7 engine:
          – Meets U.S. EPA Tier 4 Final emission standards
        • Closed circuit breather
        • Cold start plugs
        • Electrical fuel priming pump
        • Eco drain, engine oil
        • Extended life coolant protects to –37° C (–34° F)
        • Frame mounted heavy duty axles with outboard planetary reduction
        • Maintenance free, sealed for life, prop shaft and universal joints
        • Transmission, 20 km/h (12.4 mph)
      • ELECTRICAL
        • 12 volt direct electric starting
        • Alternator, 70A
        • Battery disconnect switch
        • Cab mounted fuse panel
        • Ignition key start/stop switch
        • Maintenance free, sealed for life, 650 CCA heavy duty battery
      • OPERATOR ENVIRONMENT
        • Cup holder
        • Digital service hour meter
        • Engine coolant temperature gauge
        • Fuel level gauge
        • Heavy duty, easy clean floor mat
        • Operator warning system indicators:
          – DPF monitor
          – Parking brake applied
          – Hydraulic oil temperature
          – Engine oil pressure
          – Service brake pressure
          – Hydraulic filter bypass
        • Seat:
          – Static, vinyl with 51 mm (2 in) retractable seat belt
        • Two external mirrors – knock back
      • OTHER STANDARD EQUIPMENT
        • 3rd valve auxiliary hydraulics with continuous flow detent, standard flow
        • Engine enclosure – lockable
        • Guarded front headlight
        • Hydraulic auxiliary lines with quick disconnects
        • Hydraulic oil level sight gauge
        • Lift arm safety brace
        • Loader arm float function
        • Lockable fuel filler cap
        • Manual quick coupler, skid steer loader compatible
        • Parking brake (secondary brake)
        • Product Link™, PL243
        • Quick release fuel filter/water separator
        • Reversing light
        • Self-canceling direction indicators
        • Work tool return to dig
        • Z-bar linkage

      OPTIONAL EQUIPMENT

      • OPTIONAL EQUIPMENT
        • Air conditioning/heater
        • Alternator, 90 amp for air conditioning
        • Antifreeze/coolant, extended life, protects to –50° C (–58° F)
        • Beacon ready
        • Cab:
          – Open
          – Enclosed
        • Differential lock, front and rear axles
        • Hydraulic quick coupler, skid steer loader compatible
        • Engine air precleaner
        • Engine block heater 120V (dealer installed)
        • Engine Speed Control (Throttle Lock)
        • Fenders:
          – Rear only
          – Front and rear
        • Ground Speed Control (Creeper Control)
        • Linkage:
          – Standard lift
          – High lift
        • Radiator debris screen
        • Radio Ready or AM/FM radio
        • Ride Control
        • Seats:
          – Mechanical suspension, vinyl with 51 mm (2 in) seat belt
          – Mechanical suspension, vinyl with 75 mm (3 in) seat belt
          – Mechanical suspension, fabric with 51 mm (2 in) seat belt
          – Mechanical suspension, fabric with 75 mm (3 in) seat belt
        • Tires:
          – 12-16.5 10PR
          – Flotation 33-15.5 × 16.5
          – Flexport™ 33 × 6 × 11
        • Working lights, front and rear:
          – Halogen
          – LED
        • Work Tool Electrical Harness
      • WORK TOOLS
        • For all work tool options, consult your Cat dealer.

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