This page provides a detailed comparison of the specifications for the CaseIH Optum 300 and the Challenger MT645B.
| CaseIH Optum 300 | Challenger MT645B | |
|---|---|---|
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| Engine | ||
| Engine Manufacturer | FPT | Sisu |
| Engine Model | - | 74ETA |
| Engine Cooling Type | Liquid-cooled | Liquid-cooled |
| Engine Fuel Type | Diesel | Diesel |
| Engine Induction Type | Electronic Variable Geometry Turbocharged with air-to-air aftercooling | Turbocharged |
| Engine Cylinders | 6 | 6 |
| Engine Displacement Value | 411 ci (6.7 L) | 449 ci (7.4 L) |
| Engine Rated Rpm | 2100 | 2200 |
| Engine Power Output Value | 300 hp (223.7 kW) | 235 hp (175.2 kW) |
| Transmission | ||
| Transmission Type | Continuously Variable Transmission (CVT) | continuously variable transmission (CVT) |
| Transmission Forward Gears | - | infinite |
| Transmission Reverse Gears | - | infinite |
| Dimensions | ||
| Length Value | 208.2 | 206 |
| Width Value | 119 | 118 |
| Operating Weight Value | 23149 lb (10500 kg) | 19595 lb (8888 kg) |
| Miscellaneous | ||
| Chassis | 4x4 MFWD 4WD | - |
| Drive Type | 4WD | - |
| Front Tire Type | - | - |
| Rear Tire Type | - | - |
| Hitch Type | - | Three-Point Hitch |
| Hitch Category | III | III |
| Hitch Position | Rear | Rear |
| Hydraulic System Type | Closed center pressure flow compensating (PFC) | Pressure Flow Compensated (PFC) |
| Operator Station Type | Cab | - |
| Starter Type | Electric | Electric |
