| Clearance | Cylinder bore diameter | 5.4 | IN | |
| Clearance | Piston stroke | 6.7 | IN | |
| Other | Combustion air inlet flow rate | 38.2 | m3/min | |
| Other | Excitation ceiling | adjustable at 3 points | | by configuration |
| Other | Field excitation current | 0-5 | A | rated; short-circuit 10A max |
| Other | Frequency range | 10-100 | Hz | |
| Other | Gross Input Torque (TH55-E70) | 12 667 | N•m (9350 lb-ft) | |
| Other | Gross Input Torque (TH55-E90) | 12 677 | N•m (9350 lb-ft) | |
| Other | Maximum fuel flow from transfer pump to engine | 69.2 | G/HR | |
| Other | Maximum transfer pump priming lift without priming pump | 12.1 | FT | |
| Other | Maximum uninterrupted fill rate | 5.0 | G/MIN | |
| Other | Quadrature droop adjustment range | -20 to 20 | % | |
| Other | Radiator air flow | 720 | m3/min | |
| Other | Radiator cooling package design ambient temperature | 48.9 | °C (120° F) | with 50/50 water/Extended Life Coolant mixture |
| Other | Radiator cooling package maximum elevation | 1524 | m (5000 ft) | with 50/50 water/Extended Life Coolant mixture |
| Other | Regulation accuracy | +/-0.25 | % | of the average of the three phases on a linear load, with harmonic distortion less than 5% |
| Other | Stall Torque Ratio (TH55-E70) | 2.23 | | |
| Other | Stall Torque Ratio (TH55-E90) | 2.23 | | |
| Other | Stator current measurement range | 0-1 or 0-5 | A | |
| Other | Total cylinder displacement | 928 | CU IN | |
| Other | Under frequency slope | 0.5 to 3 | V/Hz | adjustable in steps of 0.1 V/Hz |
| Pressure | Exhaust system backpressure (maximum allowable) | 10.0 | kPa | |
| Pressure | Maximum allowable fuel return line restriction | 14.8 | in-HG | |
| Pressure | Maximum allowable fuel supply line restriction | 8.0 | in-HG | |
| Pressure | Maximum allowable intake restriction with clean element | 15 | in-H2O | |
| Pressure | Maximum allowable intake restriction with dirty element | 25 | in-H2O | |
| Pressure | Maximum allowable system back pressure | 40 | in-H2O | |
| Pressure | Maximum pressure drop from compressor outlet to manifold inlet (or mixer inlet for EGR) | 4.4 | in-HG | |
| Pressure | Normal fuel pressure in a clean system | 90.1 | PSI | |
| Pressure | Oil pressure | 65-69 | | at 600 kW load |
| Pressure | Radiator air flow restriction (system) | 0.12 | kPa | |
| Pressure | Unit injector fuel injection pressure | 1240 | bar (18 000 psi) | |
| Pressure | WS255 pump plunger load | 238,000 | lb (107,960 kg) | |
| Pressure | WS273XD pump plunger load | 275,000 | lb (124 738 kg) | |
| Pressure | WS305XD pump plunger load | 250,000 | lb (113 398 kg) | |
| Resistance | Field winding resistance | >4 | ohms | |
| Speed | Frequency | 60 | Hz | |
| Speed | Maximum Input Speed (TH55-E70/TH55-E90 transmissions) | 1970 | rpm | |
| Speed | Minimum cranking speed required for start | 115 | RPM | |
| Speed | Rated Input Speed (TH55-E70/TH55-E90 transmissions) | 1900 | rpm | |
| Temperature | Ambient operating temperature | -40 to +65 | °C | |
| Temperature | Ambient temperature | 65-66 | °F | |
| Temperature | Coolant temperature | 189-190 | °F | at 600 kW load |
| Temperature | Exhaust stack gas temperature | 531.1 | deg C | |
| Temperature | Lowest ambient start temperature without aids | 32 | deg F | |
| Temperature | Max. allowable combustion air inlet temperature | 49 | deg C | |
| Temperature | Maximum allowable fuel temperature at engine outlet | 225 | deg F | |
| Temperature | Maximum allowable fuel temperature at transfer pump inlet | 140 | deg F | |
| Temperature | Maximum allowable jacket water outlet temperature | 219 | deg F | |
| Temperature | Radiator DELTA-T | 38 | D | |
| Torque | Air compressor SAE "A" hydraulic pump drive maximum torque (374 L/min and 467 L/min compressors) | 60 | N•m (44 lb-ft) | C7, C9 ACERT |
| Voltage | Alternator voltage sensing | 0-530 | VAC | three-phase range |
| Voltage | DC voltage | 27.1 | V | |
| Voltage | Power supply voltage range | 50-277 | VAC | |
| Voltage | Voltage adjustment range | 0 to 150 | % of rated voltage | |
| Voltage | Voltage level adjustment | +/-5.0 | % | |
| Voltage | Voltage regulation, steady state | +/-1.0 | % | |