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.
Maximum Gross Power 48 hp
Operating Weight 9200 lb
Bucket Capacities 0.6-1.0 m3 (0.8-1.3 yd3)
Bucket Type Light Material
Bore 3.3in
Displacement 104in²
Engine Model Cat C1.7*
Maximum Gross Power 48hp
Net Power @ 2,200 rpm - ISO 9249:2007 45hp
Net Power @ 2,200 rpm - SAE J1349:2011 45hp
Note *Engine meets U.S. EPA Tier 4 Final emission standards.
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.
Stroke 3.9in
Operating Weight 9200lb
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)
Bucket Type Light Material
Bucket Width 74in
Dump Height 88in
Maximum Material Density 1989lb/yd³
Note Based on ISO 7546:1983 and rated operating loads at full turn and standard linkage.
Rated Capacity 1.3yd³
Exterior Sound 99.8 dB(A)
Interior Sound 80.8 dB(A)
Recyclability 95%
Travel Speed 12.4mile/h
3rd Auxiliary Flow 14.1gal/min
Hydraulic Cycle Time - Dump 0.7s
Hydraulic Cycle Time - Lift 4.5s
Hydraulic Cycle Time - Lower, Float 2.3s
Main Relief 3336psi
FOPS ISO 3449:2005 Level II
ROPS ISO 3471:2008
Cooling System 3gal (US)
Engine Oil 1.6gal (US)
Fuel Tank 11.4gal (US)
Hydraulic System 6.3gal (US)
Articulation Angle 40°
Cab Height 8.25ft
Departure Angle - Degrees 30°
Dig Depth 5in
Dump Angle at Maximum Height 40°
Fork Depth Above Ground 3in
Fork Height at Maximum Reach 4.75ft
Fork Reach at Maximum Height 1.75ft
Ground Clearance 10in
Hinge Pin at Maximum Height 10.08ft
Load Over Height 9.25ft
Machine Width** 5.58ft
Maximum Dump Height* 7.75ft
Maximum Fork Height 9.9ft
Maximum Reach 4.33ft
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.
Overall Length - With Bucket* 15.4ft
Overall Length - With Forks 16.83ft
Reach - Ground Level 2.5ft
Reach at Maximum Dump Height* 2.33ft
Steering Angle 80°
Tire Gauge 4.33ft
Turning Radius - Inside Tire** 6ft
Turning Radius - Over Bucket* 12.75ft
Wheel Base 6.42ft
Width - Over Bucket* 5.83ft
Articulation Angle 40°
Cab Height 8.25ft
Departure Angle - Degrees 30°
Dig Depth 6in
Dump Angle at Maximum Height 40°
Fork Depth Above Ground 2in
Fork Height at Maximum Reach 4.66ft
Fork Reach at Maximum Height 1.8ft
Ground Clearance 10in
Hinge Pin at Maximum Height 10.58ft
Load Over Height 9.75ft
Machine Width** 5.58ft
Maximum Dump Height* 8.16ft
Maximum Fork Height 10.4ft
Maximum Reach 4.66ft
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.
Overall Length - With Bucket* 16.03ft
Overall Length - With Forks 17.25ft
Reach - Ground Level 2.9ft
Reach at Maximum Dump Height* 2.33ft
Steering Angle 80°
Tire Gauge 4.33ft
Turning Radius - Inside Tire** 6ft
Turning Radius - Over Bucket* 13.4ft
Wheel Base 6.42ft
Width - Over Bucket* 5.83ft
Breakout Force 6294lbf
Full Turn Static Tipping Load - Bucket (ISO 14397-1*)*** 5516lb
Full Turn Static Tipping Load - Bucket (Rigid Tire**)*** 5626lb
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 Weight 9200lb
Rack Back - Transport Position 51°
Rated Bucket Capacity 0.8yd³
Rated Operating Load at Full Turn - Bucket*** 2756lb
Rated Operating Load at Full Turn - Forks (EN 474-3:2006, Firm and Level Ground, 500 mm [20 in] Load Center) (80% FTSTL)*** 3393lb
Rated Operating Load at Full Turn - Forks (EN 474-3:2006, Rough Terrain, 500 mm [20 in] Load Center) (60% FTSTL)*** 2544lb
Straight Tipping Load - Bucket*** 6415lb
Tire Size 33 × 15.5-16.5, 12 PR
Breakout Force 6519lbf
Full Turn Static Tipping Load - Bucket (ISO 14397-1*)*** 5108lb
Full Turn Static Tipping Load - Bucket (Rigid Tire**)*** 5238lb
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 Weight 9231lb
Rack Back - Transport Position 51°
Rated Bucket Capacity 0.8yd³
Rated Operating Load at Full Turn - Bucket*** 2553lb
Rated Operating Load at Full Turn - Forks (EN 474-3:2006, Firm and Level Ground, 500 mm [20 in] Load Center) (80% FTSTL)*** 3175lb
Rated Operating Load at Full Turn - Forks (EN 474-3:2006, Rough Terrain, 500 mm [20 in] Load Center) (60% FTSTL)*** 2381lb
Straight Tipping Load - Bucket*** 5975lb
Tire Size 33 × 15.5-16.5, 12 PR
Bucket Type General Purpose
Bucket Width 70in
Dump Height 93in
Maximum Material Density 3169lb/yd³
Note Based on ISO 7546:1983 and rated operating loads at full turn and standard linkage.
Rated Capacity 0.8yd³
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)
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
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
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
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
For all work tool options, consult your Cat dealer.