To purchase parts for the 440ST (Main Assembly - Deck RF037300):
- Reference the part needed from the parts diagram and refer to the parts list below.
- Copy the Part Number and paste it into the search window above to see availability and pricing.
- Confirm your parts selection and "Add To Cart".

Item | Part Number | Description | QTY | Item | Part Number | Description | QTY | |
1A | MX1075 | WASHER, LOCK, 3/8” (30”) | 12 | 21 | NB019100 | BOLT, HEX, 1/4” X 3/4” | 2 | |
1B | MX1075 | WASHER, LOCK, 3/8” (38”) | 36 | 22 | NB2463 | SCREW, SET, 5/16” X 3/8” | 4 | |
2 | NB6042 | BOLT, HEX, 3/8” X 1-1/4” (38”) | 2 | 23A | MP037600 | PULLEY, 10.75” X 3/4” (30”) | 1 | |
3A | NB3450 | WASHER, FLAT, 3/8” (30”) | 12 | 23B | MP037300 | PULLEY, 10.75” X 1” (38”) | 1 | |
3B | NB3450 | WASHER, FLAT, 3/8” (38”) | 14 | 24 | MP331100 | PLATE, ATTACH, HEAD | 1 | |
4 | NB024500 | BOLT, HEX, 3/8” X 1-3/4” | 12 | 25 | MP397901 | PLATE, PIVOT, HOOK | 1 | |
5A | NB9267 | WASHER, FLAT, 5/16” (30”) | 31 | 26 | NB035400 | BOLT, HEX, 3/4” X 2-1/2” | 1 | |
5B | NB9267 | WASHER, FLAT, 5/16” (30”) | 38 | 27 | NB033500 | WASHER, WAVE | 1 | |
6 | NB3265 | NUT, LOCK, 5/16” (38”) | 2 | 28 | NB018600 | WASHER, FLAT, 3/4” | 1 | |
7 | NB6545 | BOLT, HEX, 5/16” X 1” (30”) | 2 | 29 | NB035500 | NUT, LOCK, 3/4” | 1 | |
8 | NB9745 | BOLT, HEX, 5/16” X 3/4” | 23 | 30 | NB035800 | PIN, PULL, 3/8” X 1-1/2” | 1 | |
9A | NB6111 | WASHER, LOCK, 5/16” (30”) | 32 | 31 | NB7802 | KEY, 1/4” X 1-1/2” | 3 | |
9B | NB6111 | WASHER, LOCK, 5/16” (38”) | 8 | 32A | MP388401 | BRACKET, GEARBOX (30”) | 2 | |
10A | BA018500 | HUB, DRIVE, 3/4” (30”) | 2 | 32B | MP388701 | BRACKET, GEARBOX (38”) | 2 | |
10B | BA019100 | HUB, DRIVE, 1” (38”) | 2 | 33 | NB3260 | NUT, HEX, 5/16” | 8 | |
11 | NB025700 | WASHER, LOCK, 1/4” (30”) | 2 | 34 | NB5000 | BOLT, CARRIAGE, 5/16” X 1” | 8 | |
12 | NB030500 | BOLT, HEX, 1/4” X 1-1/2” (30”) | 2 | 35 | MP391800 | BRACKET, COVER, ASM. | 2 | |
13 | MP317700 | COUPLING, FLEXI | 2 | 36 | NB049000 | SCREW, BH, 1/4” X 3/4” | 1 | |
14 | MP037500 | SPIDER, L099, 1” | 2 | 37 | MP389200 | BUSHING, PIVOT, HOOK | 1 | |
15A | BA003200 | KEY, 3/16” X 1” (30”) | 7 | 38 | MP390700 | PLATE, ATTACH, RS, ASM. | 1 | |
15B | MP7801 | KEY, 1/4” X 1” (38”) | 4 | 39 | MP390800 | PLATE, ATTACH, LS, ASM. | 1 | |
16A | MP363200 | GEARBOX, RIGHT ANGLE (30”) | 2 | 40 | NB011800 | BOLT, HEX, 5/16” X 2” | 2 | |
16B | BA017500 | GEARBOX, RIGHT ANGLE (38”) | 2 | 41 | NB6851 | BOLT, HEX, 3/8” X 3/4” | 22 | |
17A | MP196700 | HUB, L099, .75” BORE (30”) | 4 | 42 | NB060500 | SCREW, #10 X 1/2” | 1 | |
17B | MP037400 | HUB, L099, .1.00” BORE (38”) | 4 | 43 | NB060600 | WASHER, .20” ID X .44” OD | 1 | |
18 | NB3350 | WASHER, FLAT, 1/4” | 1 | 44 | NB060700 | WASHER, .22” ID X .63” OD | 1 | |
19 | NB6110 | WASHER, LOCK, 1/4” | 3 | 45 | NB024100 | PIN, HITCH | 1 | |
20A | BA017200 | GEARBOX, “T” DRIVE (30”) | 1 | 46 | MP098700 | RETAINER, PIN | 1 | |
20B | BA017400 | GEARBOX, “T” DRIVE (38”) | 1 |