
Transmission Drive & Carrier Group — Tuff-Torq  Model K51
| REF NO. | PART NO. | QTY. | DESCRIPTION | 
| 1 | 1719735 | 1 | TRANSMISSION ASSEMBLY | 
| 2 | 1713843 | 1 | KNOB, Plastic, Gear Shift | 
| 3 | 1719469 | 1 | ROD, Shift | 
| 4 | 1918448 | 2 | PIN, Cotter, 3/32 x 1 | 
| 5 | 1960027 | 2 | WASHER, 1/2 | 
| 6 | 1919326 | 2 | WASHER, Plain, 5/16 | 
| 7 | 1960541 | 1 | CAPSCREW, Taptite Hex Washer Hd,  | 
| 8 | 1717292 | 1 | GUIDE, Belt | 
| 9 | 1917372 | 1 | NUT, Hex, Full,  | 
| 10 | 1917356 | 1 | LOCKWASHER, 5/16 | 
| 11 | 1717425 | 1 | FAN | 
| 12 | 1717397 | 1 | BELT, Drive | 
| 13 | 1960353 | 1 | WASHER, 1/4 | 
| 14 | 1916964 | 1 | LOCKWASHER, 1/4 | 
| 15 | 1960613 | 1 | CAPSCREW, Hex Hd, M06 - 1.00 x 30mm | 
| 16 | 1719902 | 1 | PULLEY & HUB ASSEMBLY | 
| 17 | 1930810 | 3 | CAPSCREW, Taptite Hex Washer Hd,  | 
| 18 | 1928698 | 1 | JAM NUT, Top Lock,  | 
| 19 | 106681 | 1 | SPRING, Brake Return | 
| 20 | 1717749 | 2 | KEY | 
| 21 | 1717451 | 2 | SPACER (Gear Models) | 
| 22 | 927794 | 2 | |
| 23 | 960202 | 8 | WASHER, 3/4 (Gear Models) | 
| 24 | 1923358 | 1 | LOCK NUT, Center,  | 
| 25 | 1930642 | 2 | NUT, Hex Flange Lock,  | 
| 26 | 1706495 | 2 | SPACER | 
| 27 | 1717427 | 1 | ANCHOR, Torsion Bar, L.H. | 
| 28 | 1960586 | 4 | CAPSCREW, Whiz Lock Hex Hd,  | 
| 29 | 960584 | 1 | CAPSCREW, Taptite Hex Washer Hd,  | 
| 30 | 960583 | 1 | CAPSCREW, Taptite Hex Washer Hd,  | 
| 31 | 1960585 | 1 | CAPSCREW, Whiz Lock Hex Hd,  | 
| 32 | 1927557 | 1 | NUT, Hex, Flange Whiz Lock,  | 
| 33 | 960551 | 2 | CAPSCREW, Taptite Hex Washer Hd,  | 
| 34 | 1717428 | 1 | ANCHOR, Torsion Bar, R.H. | 
| 35 | 1717737 | 1 | BRAKE LINK | 
| 36 | 1717452 | 1 | PULLEY ASSEMBLY, Engine PTO (Hydro Models) | 
| 37 | 171241 | 1 | KEY, PTO Pulley (Hydro Models) | 
| 38 | 1921960 | 2 | CAPSCREW, Hex Hd,  | 
| 39 | 1720675 | 1 | SPACER | 
| 40 | 1918199 | 1 | LOCKWASHER, Spring, 7/16 | 
| 41 | 1950036 | 1 | CAPSCREW, Hex Hd,  | 
| 42 | 1919438 | 2 | NUT, Hex Nylon Lock,  | 
| 43 | 1931277 | 4 | NUT, Hex Flange  | 
| 44 | 1960534 | 2 | WASHER, 3/8 | 
| 45 | 108717 | 1 | SPACER | 
| 46 | 1924356 | 1 | WASHER, 3/8 | 
Footnotes:
* Replaced by Service Kit 1686794.
The above parts group applies to the following Mfg. Nos.:
| 1693458 | Express, 15.5HP Hydro | 1693525 | Express, 17HP Hydro | 
| 1693589 | Express, 15.5HP Hydro (Export) | 1693641 | Express, 17HP Hydro (Export) | 
| 1693668 | Express, 15.5HP Hydro (Export) | 1693670 | Express, 17HP Hydro (Export) | 
| 1693734 | Express, 15.5HP Hydro (Export) | 1693736 | Express, 17HP Hydro (Export) | 
| TP  | 15 | 
