TRUCK SERVICE MANUAL
TRANSMISSION
HT 700D SERIES TRANSMISSIONS
Para 1-6
SPECIFICATIONS AND DATA CHART - Continued
HT 750CRD
Oil pressure:
Main pressure
- Idle 600 RPM...................................................... 90 psi
(621 kPa)-min
- Stall 1200 RPM .................................................. 140-175 psi
(965-1206 kPa)
Lockup pressure ............................................Must be within 10 psi (69 kPa) of main pressure
Lubrication pressure ......................................35-45 psi (241-310 kPa)
Converter-out pressure ..................................40-80 psi (276-552 kPa)
Rear governor pressure .................................Refer to table at end of section I
Parking brake provision:
Type ...............................................................12 x 5 (304.8 x 127.0 mm) (customer supplied)
Weight ............................................................50 lbs (22.68 kg)
Drive range and sequences:
HT 750CRD ...................................................Reverse, neutral, 1-2-3-4-5, 1-2-3-4, 1-2-3, 1-2, 1
Drive range and shift control ................................Mechanical (external)
Shifting mechanism ..............................................Hydraulic (internal control)
Shift modulation (upshift and
downshift).......................................................Mechanically actuated (cable, cam, modulator valve)
Neutral start and reverse
signal switches ...............................................Supplied by customer
Speedometer drive:
Type ...............................................................Spiral gear
Drive gear data ..............................................6-tooth, Rt helix angle
Driven gear ....................................................Supplied by customer
Dry weight.............................................................HT 750CRD
Standard unit..................................................926 lb (420 kg)
(housing, rotor, valve body)
Power takeoff mounting (optional)
Transmission housing, top
(40 from vertical) ....................................Converter driven
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