GROVE Published 10-21-2010, Control# 198-04 7-1
5540F/YB5515 SERVICE MANUAL TRANSMISSION AND TORQUE CONVERTER
SECTION 7
TRANSMISSION AND TORQUE CONVERTER
TECHNICAL DATA
General Technical Data
Description........................................................................................................Combined torque converter, reverser, and
gearbox unit with synchromesh manual gear
selection
Designation.......................................................................................................SS720 (2 wheel drive) SS740 (4 wheel drive)
Weight (dry)....................................................................................................... (375 Ib)170 kg (441 Ib) 200 kg
Number of Teeth
Transfer Gear.............................................................................................19 17
Layshaft......................................................................................................3638
SS740 4WD Dropgears ....................................................................................26/32 24/34 26/33 23/34
4WD Disconnect.........................................................................................
Clutch Type (Spring ON) ............................................................................
Clutch Type (Pressure ON) ........................................................................
Permanent Engage (No Clutch) .................................................................
SS700 Dropgears..............................................................................................
Overall Ratio (Stamped on Serial Plate).....................................................17/38 Low Ratio 19/36 Std Ratio
26/32 ..........................................................................................................1:1.816 1:1.1539
24/34 ..........................................................................................................1:1.578 1:1.337
26/33 ..........................................................................................................1:1.761 1:1.493
27/31 ..........................................................................................................1:1.947 1:1.650
23/34 ..........................................................................................................1:1.512 1:1.282
Gear Ratios:......................................................................................................Std Ratio Low Ratio
1st ..............................................................................................................5.56:1 6.55:1
2nd .............................................................................................................3.45:1 4.06:1
3rd..............................................................................................................1.83:1 1.89:1
4th ..............................................................................................................1.00:1 1.00:1
Torque Converter ..............................................................................................
Torque Converter Dia. ................................................................................(12.2 in) 310 mm
Converter Identification Torque l.................................................................04/600580 04/600581
Multiplication at Stall...................................................................................2.52:13.01:1
Minimum Engine Rev/Min at Converter Stall..............................................Refer to Machine Performance Data.
Converter Pressures (in neutral): ......................................................................PSI
kPa
Converter IN at 122° F (50° C)
1000 rpm/min........................................................................................22 – 36 152-248
2000 rpm/min........................................................................................77 – 97 531-669
Converter IN at 212° F (100° C)
1000 rpm/min........................................................................................7-19 48-131
2000 rpm/min........................................................................................59-71 407-490
Converter OUT at 122° F (50° C)
1000 rpm/min........................................................................................12-23 83-159
2000 rpm/min........................................................................................43-58 297-400
Converter OUT at 212° F (100° C)
1000 rpm/min........................................................................................4.0-9.0 28-62
2000 rpm/min........................................................................................30-42 207-290
Reference Only