336 Excavator

  • Specs Summary
  • Maximum Gross Power
    42 HP (31 kW)
  • Operating Weight
    9414 lb (4270 kg)
  • Bucket Capacities
    ( )
  • Maximum Gross Power - Rated Engine Speed

903D Compact Wheel Loader

The Cat® 903D is compact, yet powerful, delivering high performance with outstanding versatility. A 25% increase in lift capacity and travel speed will allow the operator to be more productive, while new optional features such as engine and ground speed control, provides customizable control when running hydro-mechanical work tools. With a more ergonomic cab, new multi-function joystick, and optional ride control, the 903D allows the operator to enjoy all day comfort.
  • Cooling System 3 gal (US) (11 l)
  • Maximum Gross Power 42 HP (31 kW)
  • FOPS ( )
  • Operating Weight 9414 lb (4270 kg)
  • Fuel Tank 11.4 gal (US) (43 l)
  • Engine Model ( )
  • Bucket Capacities ( )
  • ROPS ( )
  • Bore 3.4 in (87 mm)
  • Stroke 4 in (102 mm)
  • Displacement 147 in³ (2.4 l)
  • Note ( )
  • Gross Power 42 HP (31 kW)
  • Net Power - 2,200 rpm - SAE J1349 R-ing 40 HP (30 kW)
  • Net Power - 2,200 rpm - ISO 9249 R-ing 40 HP (30 kW)
  • Travel Speed 12.4 mile/h (20 km/h)
  • Main Relief 3481 psi (240 bar)
  • 3rd Auxiliary Flow 14 gal/min (52 l/min)
  • Hydraulic Cycle Time - Lift 4.4 s (4.4 s)
  • Hydraulic Cycle Time - Dump 0.7 s (0.7 s)
  • Hydraulic Cycle Time - Lower, Float 2.4 s (2.4 s)
  • Hydraulic System 6.3 gal (US) (24 l)
  • Engine Oil 2.4 gal (US) (9 l)
  • Cab Height 8.25 ft (2510 mm)
  • Ground Clearance 10 in (250 mm)
  • Wheel Base 6.42 ft (1950 mm)
  • Overall Length - With Bucket* 15.75 ft (4790 mm)
  • Reach at Maximum Dump Height* 2.33 ft (720 mm)
  • Dig Depth 6 in (163 mm)
  • Maximum Dump Height* 7.5 ft (2292 mm)
  • Load Over Height 9.17 ft (2801 mm)
  • Hinge Pin at Maximum Height 10.08 ft (3086 mm)
  • Departure Angle - Degrees ( )
  • Overall Length - With Forks 17.08 ft (5205 mm)
  • Reach - Ground Level 2.67 ft (821 mm)
  • Maximum Reach 4.5 ft (1368 mm)
  • Fork Depth Above Ground 2 in (40 mm)
  • Fork Height at Maximum Reach 4.67 ft (1421 mm)
  • Maximum Fork Height 9.83 ft (3005 mm)
  • Fork Reach at Maximum Height 2 ft (600 mm)
  • Turning Radius - Over Bucket* 13.17 ft (4007 mm)
  • Turning Radius - Inside Tire** 5.92 ft (1816 mm)
  • Width - Over Bucket* 5.83 ft (1770 mm)
  • Tire Gauge 4.33 ft (1314 mm)
  • Machine Width** 5.58 ft (1708 mm)
  • Articulation Angle ( )
  • Steering Angle ( )
  • Dump Angle at Maximum Height ( )
  • Note (1) ( )
  • Note (2) ( )
  • Note (3) ( )
  • Cab Height 8.25 ft (2510 mm)
  • Ground Clearance 10 in (250 mm)
  • Wheel Base 6.42 ft (1950 mm)
  • Overall Length - With Bucket* 16.17 ft (4936 mm)
  • Reach at Maximum Dump Height* 2.42 ft (729 mm)
  • Dig Depth 8 in (195 mm)
  • Maximum Dump Height* 8 ft (2435 mm)
  • Load Over Height 9.67 ft (2942 mm)
  • Hinge Pin at Maximum Height 10.58 ft (3227 mm)
  • Departure Angle - Degrees ( )
  • Overall Length - With Forks 17.58 ft (5363 mm)
  • Reach - Ground Level 3.25 ft (979 mm)
  • Maximum Reach 4.92 ft (1486 mm)
  • Fork Depth Above Ground 2 in (40 mm)
  • Fork Height at Maximum Reach 4.67 ft (1421 mm)
  • Maximum Fork Height 10.33 ft (3146 mm)
  • Fork Reach at Maximum Height 2 ft (609 mm)
  • Turning Radius - Over Bucket* 13.42 ft (4086 mm)
  • Turning Radius - Inside Tire** 5.92 ft (1816 mm)
  • Width - Over Bucket* 5.83 ft (1770 mm)
  • Tire Gauge 4.33 ft (1314 mm)
  • Machine Width** 5.58 ft (1708 mm)
  • Articulation Angle ( )
  • Steering Angle ( )
  • Dump Angle at Maximum Height ( )
  • Note (1) ( )
  • Note (2) ( )
  • Note (3) ( )
  • Tire Size ( )
  • Rated Bucket Capacity 0.8 yd³ (0.6 m³)
  • Breakout Force 6160 lbf (27 kN)
  • Operating Weight 9414 lb (4270 kg)
  • Rated Operating Load at Full Turn - Bucket*** 2701 lb (1225 kg)
  • Straight Tipping Load - Bucket*** 6415 lb (2910 kg)
  • Full Turn Static Tipping Load - Bucket (ISO 14397-1*)*** 5401 lb (2450 kg)
  • Full Turn Static Tipping Load - Bucket (Rigid Tire**)*** 5512 lb (2500 kg)
  • Rack Back - Transport Position ( )
  • Rated Operating Load at Full Turn - Forks (EN 474-3:2006, Firm and Level Ground, 500 mm [20 in] Load Center) (80% FTSTL)*** 3902 lb (1770 kg)
  • Rated Operating Load at Full Turn - Forks (EN 474-3:2006, Rough Terrain, 500 mm [20 in] Load Center) (60% FTSTL)*** 2932 lb (1330 kg)
  • Note (1) ( )
  • Note (2) ( )
  • Note (3) ( )
  • Note (4) ( )
  • Tire Size ( )
  • Rated Bucket Capacity 0.8 yd³ (0.6 m³)
  • Breakout Force 6204 lbf (28 kN)
  • Operating Weight 9462 lb (4292 kg)
  • Rated Operating Load at Full Turn - Bucket*** 2502 lb (1135 kg)
  • Straight Tipping Load - Bucket*** 5975 lb (2710 kg)
  • Full Turn Static Tipping Load - Bucket (ISO 14397-1*)*** 5004 lb (2270 kg)
  • Full Turn Static Tipping Load - Bucket (Rigid Tire**)*** 5115 lb (2320 kg)
  • Rack Back - Transport Position ( )
  • Rated Operating Load at Full Turn - Forks (EN 474-3:2006, Firm and Level Ground, 500 mm [20 in] Load Center) (80% FTSTL)*** 3660 lb (1660 kg)
  • Rated Operating Load at Full Turn - Forks (EN 474-3:2006, Rough Terrain, 500 mm [20 in] Load Center) (60% FTSTL)*** 2756 lb (1250 kg)
  • Note (1) ( )
  • Note (2) ( )
  • Note (3) ( )
  • Note (4) ( )
  • Bucket Type ( )
  • Rated Capacity 0.8 yd³ (0.6 m³)
  • Dump Height 90 in (2290 mm)
  • Maximum Material Density 3169 lb/yd³ (1880 kg/m³)
  • Bucket Width 70 in (1770 mm)
  • Note ( )
  • Bucket Type ( )
  • Rated Capacity 1.3 yd³ (1 m³)
  • Dump Height 85 in (2160 mm)
  • Maximum Material Density 1989 lb/yd³ (1180 kg/m³)
  • Bucket Width 74 in (1880 mm)
  • Note ( )

Standard Equipment

POWER TRAIN

  • Air cleaner, two stage with visual indicator
  • Cat C2.4 engine:<br>– 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:<br>– DPF monitor<br>– Parking brake applied<br>– Hydraulic oil temperature<br>– Engine oil pressure<br>– Service brake pressure<br>– Hydraulic filter bypass
  • Seat:<br>– 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:<br>– Open<br>– 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:<br>– Rear only<br>– Front and rear
  • Ground Speed Control (Creeper Control)
  • Linkage:<br>– Standard lift<br>– High lift
  • Radiator debris screen
  • Radio Ready or AM/FM radio
  • Ride Control
  • Seats:<br>– Mechanical suspension, vinyl with 51 mm (2 in) seat belt<br>– Mechanical suspension, vinyl with 75 mm (3 in) seat belt<br>– Mechanical suspension, fabric with 51 mm (2 in) seat belt<br>– Mechanical suspension, fabric with 75 mm (3 in) seat belt
  • Tires:<br>– 12-16.5 10PR<br>– Flotation 33-15.5 × 16.5<br>– Flexport™ 33 × 6 × 11
  • Working lights, front and rear:<br>– Halogen<br>– LED
  • Work Tool Electrical Harness

WORK TOOLS

  • For all work tool options, consult your Cat dealer.