| Model | WD1203 | WD1903 | WD2303 | |||
| Engine – Case IH** | 4-cylinder, 274 cu. in. (4.5 L) wastegate turbocharged diesel w/air-to-air intercooler | 6-cylinder, 411 cu. in. (6.7 L) wastegate turbocharged diesel w/air-to-air intercooler | 6-cylinder, 411 cu. in. (6.7 L) wastegate turbocharged diesel w/air-to-air intercooler | |||
| Fuel injection pump | Mechanical | Electronic | Electronic | |||
| Rated horsepower (kW) * | 126 (94) @ 2300 rpm | 190 (142) @ 2100 rpm | 225 (169) @ 2,100 rpm | |||
| Batteries/Alternator | 1, 12-Volt 925 CCA/150 amp | 2, 12-Volt 650 CCA/150 amp | 2, 12-Volt 650 CCA/150 amp | |||
| Fuel capacity – gal. (L) | 120 (454) | 120 (454) | 120 (454) | |||
| Rotary wand radiator screen cleaner | Standard | Standard | Standard | |||
| Transmission | Dual speed hydrostatic | Dual speed hydrostatic | Dual speed hydrostatic | |||
| Final drive | Planetary hubs | Planetary hubs | Planetary hubs | |||
| Steering | Hydrostatic | Hydrostatic | Hydrostatic | |||
| Speed range – mph (kph) | 0-10.3 (0-16.6) working†0-15.5 (0-25) road† | 0-11 (0-17.8) working§0-16.5 (0-26.5) road§ | 0-11 (0-17.8) working§0-16.5 (0-26.5) road§ | |||
| Tires – Drive | Tread | Size | Tread | Size | Tread | Size |
| R1 lug | 18.4R26 (radial) | R1 cleat | 18.4Rx26 (radial) | R1 cleat | 18.4Rx26 (radial) | |
| R3 turf | 18.4x26-12PR | R3 turf | 18.4x26-12PR, 23.1x26-10PR | R3 turf | 18.4x26-12PR, 23.1x26-10PR | |
| R4 lug | 16.9x28-12PR, 18.4x26-12PR, 21Lx28-10PR | R4 lug | 16.9x28-12PR, 18.4x26-12PR, 21Lx28-10PR | R4 lug | 16.9x28-12PR, 18.4x26-12PR, 21Lx28-10PR | |
| Tires – Rear | 14Lx16.1, 8PR | 14Lx16.1, 8PR | 14Lx16.1, 8PR | |||
| Park brake | Std., console switch controlled | Std., console switch controlled | Std., console switch controlled | |||
| Length with header – in. (mm) | 280 (7102) | 266 (6757) | 266 (6757) | |||
| Length w/o header & lift arms | 199.1 (5056) | 199.1 (5056) | 199.1 (5056) | |||
| Height – in. (mm) | 132.8 (3372)† | 135.1 (3432)§ | 135.1 (3432)§ | |||
| Wheelbase – in. (mm) | 134.6 (3419)†† or 137.2 (3485)§§ | 137.2 (3485) | 137.2 (3485) | |||
| Front tread width – in. (mm) | 127 (3225)† | 130.2 (3308)§ | 130.2 (3308)§ | |||
| Rear tread width (adjustable) – in. (mm) | 90/105/120 (2286/2667/3048) | 90/105/120 (2286/2667/3048) | 90/105/120 (2286/2667/3048) | |||
| Rear axle suspension | Optional | Optional | Optional | |||
| Rear axle ground clearance – in. (mm) | 36.3 (922)†/§§ | 39.4 (1001)§/§§ | 39.4 (1001)§/§§ | |||
| Header drive | Hydraulic | Hydraulic | Hydraulic | |||
| Header flotation | Hydraulic | Independent hydraulic | Independent hydraulic | |||
| Hydraulic header tilt | Standard | Standard | Standard | |||
| Header power reverser | Standard | Standard | Standard | |||
| Windrow shields – Manually adjustable | Standard | Standard | Standard | |||
| – Electrically adjustable | Optional | Optional | Optional | |||
| Single lever header transport | Standard | Standard | Standard | |||
| Lock system | Standard | Standard | Standard | |||
| Weight w/o header – lb. (kg) | 10,950 (4966) | 12,300 (5580) | 12,300 (5580) | |||
| Cab type | Deluxe, curved tinted glass | Deluxe, curved tinted glass | Deluxe, curved tinted glass | |||
| Cab suspension | Standard | Standard | Standard | |||
| Cab air filtration | Dual: 1 external air filter and 1 in-cab recirculation filter | Dual: 1 external air filter and 1 in-cab recirculation filter | Dual: 1 external air filter and 1 in-cab recirculation filter | |||
| Seat | Deluxe air suspension seat with fore/aft isolator, lumbar adjuster, ride dampening | Deluxe air suspension seat with fore/aft isolator, lumbar adjuster, ride dampening | Deluxe air suspension seat with fore/aft isolator, lumbar adjuster, ride dampening | |||
| Instructor seat w/set belt | Standard | Standard | Standard | |||