HT 740

Automatic Models HT 740 up to 445 nhp (332 kW)

Net input power (max).............................445 hp (332 kW)
Input speed range................................1900 - 2400 rpm
Net input torque (max)......................1435 lb ft (1946 N�m)
Vehicle weight (max)............Up to 80,000 lbs (36,287 kg) GVW
                                 and 130,000 lbs (58,967 kg) GCW

Mounting

Direct..............SAE 1 flywheel housing with flex plate drive
Remote.....Converter housing side pads, and rear housing top pad

Torque converter

Type..........................Single-stage, 3-element, polyphase
Stall torque ratio.........TC 487-1.50; TC 488-1.70; TC 497-2.72;
                           TC 470-2.83; TC 495-2.39; TC 496-1.78;
                                        TC 498-2.45; TC 499-1.91
Automatic lockup clutch..........Effective in all forward ranges
                          or effective in 2nd through 4th ranges
                                       – depending on model used

Gearing

Type.........................Constant mesh, spur type, planetary

         Range                                  Ratios*:
         First...................................3.69:1
         Second..................................2.02:1
         Third...................................1.38:1
         Fourth..................................1.00:1
         Reverse.................................6.04:1
           * Gear ratio does not include torque converter ratio.

Power takeoff provision

Converter driven (SAE 6-bolt)
Location................10 o'clock position (as viewed from rear)
Drive gear ratio............................1.00 x turbine speed
Drive gear rating.................300 lb ft (407 N�m) continuous; 
                                400 lb ft (543 N�m) intermittent

Engine driven (optional) (SAE 8-bolt)
Location....converter housing: one at 1 o'clock position and one
                      at 8 o'clock position (as viewed from rear)
Drive gear ratio.......1 o'clock position – 1.35 x turbine speed;
                       8 o'clock position – 0.84 x turbine speed
Drive gear rating.................200 lb ft (149 N�m) continuous; 
                                260 lb ft (194 N�m) intermittent

Oil system

Oil type..........................................Dexron II�, C4
Capacity 
       (excluding external circuit)...7.5 U.S. gals (28.5 liters)
                                                 (w/std. oil pan)
Filter..................................External, remote mounted 
Cooler............................................Remote mounted 

(Filter and Cooler not furnished on transmission assembly but is supplied
 by vehicle manufacturer.)

Size

                                                             
Length..........................................37.4 in (950 mm)
Width...........................................21.7 in (552 mm)
Height..........................................26.6 in (675 mm)
Weight (dry)..........................840 lbs (381 kg) (approx.)

+NOTE: Vocational ratings may vary by vocation. 
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