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TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download

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TM 9-2320-387-24-1 Change 1 1-21 STANDARD METRIC 7. TRANSMISSION Manufacturer ................................... Hydramatic Model ............................................ 4L80-E Type ...... 4-Speed, Automatic, Torque Converter Stall Ratio of 2.1 and Direct Drive w/Lock-Up Clutch in Fourth Gear Gear Ratios First ............................................. 2.48:1 Second ........................................... 1.48:1 Third ............................................ 1.00:1 Fourth ........................................... 0.75:1 Reverse........................................... 2.08:1 Oil Type ....................................... Dexron ® III Oil Pressure ..................................... 35-324 psi 241-2,234 kPa 8. TRANSFER CASE Manufacturer ............................. New Venture Gear Model .................................... 242 w/Intercooler Gear Ratios: High and High Lock .................................. 1.0:1 Low Lock ......................................... 2.72:1 9. DIFFERENTIAL Manufacturer................................... AM General Type ........................................ Hypoid Gears Gear Ratio ......................................... 3.08:1 10. GEARED HUB Manufacturer................................... AM General Type .......................................... Spur Gears Gear Ratio ......................................... 1.92:1 11. SERVICE BRAKE CALIPER (FRONT) Manufacturer ................................. Kelsey-Hayes Piston Diameter .................................... 2.6 in. 66 mm SERVICE/PARKING BRAKE CALIPER (REAR) Manufacturer ................................. Kelsey-Hayes Piston Diameter ..................................... 2.6 in. 66 mm 12. SERVICE BRAKE ROTOR (FRONT) Manufacturer ................................. Kelsey-Hayes Diameter ........................................... 12 in. 304 mm Thickness ........................................ 0.866 in. 22 mm 13. SERVICE/PARKING BRAKE ROTOR (REAR) Manufacturer ................................. Kelsey-Hayes Diameter ........................................... 12 in. 304 mm Thickness ........................................ 0.866 in. 22 mm Table 1-2. Tabulated Data (Cont'd).