| Engine Detail | |
| AGCO SISU POWER 84CTA | |
| turbocharged intercooled diesel | |
| 6-cylinder | |
| liquid-cooled | |
| The engine uses AGCO's e3 selective catalytic reduction (SCR) system to reduce nitrogen oxides (NOx). An exhaust-gas recirculation (IEGR) version of the engine was optionally available. | |
| Displacement | 512.6 ci 8.4 L  | 
| Bore/Stroke | 4.37x5.71 inches 111 x 145 mm  | 
| Emissions | Interim Tier 4 | 
| Emission control | selective catalytic reduction (SCR) | 
|   | integrated exhaust gas recirculation optional (IECR) | 
| Power (gross) | 320 hp 238.6 kW  | 
| Maximum Power | 350 hp 261.0 kW  | 
| Fuel system | electronic high-pressure common rail | 
| Air cleaner | dual paper elements | 
| Compression | 16.7:1 | 
| Rated RPM | 2200 | 
| Torque | 1100 lb-ft 1491.6 Nm  | 
| Torque RPM | 1500 | 
| Starter | electric | 
| Starter volts | 12 | 
| Challenger MT675C Engine | |
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| Page information | |
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| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on October 21, 2022 |