Parts List Complete for HYDRAMASTE Hydra-Grinder 34 Propane
 

Engine Assembly - 154-3219
RefNbr Part Number Description Req Notes
1 154-9039 Muffler gasket (FS/FX481V) 2
2 154-3748 3/4 inch clamp (OBSOLETE) 1
3 154-1140 Adapter 1
4 154-2037 Oil pressure switch 1
5 154-0351 Vacuum hose (sold by the foot) 3 ft
6 154-0320 Fuel line (sold by the foot) 2 ft
7 178-0317 Washer M8 spring 4
8 999-1424 Nut M8-1.25 hex stainless steel 4
9 154-0036 Plastic hose clamp 2
10 178-0010 Oil drain adapter 1
11 154-0362 Oil drain valve 1
12 154-0008 Electric clutch assembly 1
13 154-0015 Neoprene tubing (sold by the inch) 2 in
14 154-0016 Bottom clutch spacer 1
15a 154-3700 Oxygen sensor 1
15b 991-1601 Oxygen sensor 1 wire (OBSOLETE) 1 (NON-OEM)
16 154-9036 Vertical catalytic muffler (FS/FX481V) 1
17 154-1769 Spacer 1
18 154-3669 Vertical muffler bracket 1
19 999-0853 Screw 7/16-20 x 2 hex head grade 5 plain finish 1
20 154-0037 Tubing 1/2 x 5/8 (clear) (sold by the foot) 2 ft
21 154-0038 Oil drain cap 1
22 154-3442 Dust bonnet 1
23 154-3508 Filter cage - FS481V 1
24 999-0517 Bolt M8-1.25 x 16mm hex head full thread zinc 2
25 999-0028 Washer 5/16 split lock plain finish 2
26 999-0024 Washer 5/16 flat stainless steel 2
27 999-0182 Nut 1/2-20 hex plain finish 1
28 999-0798 Bolt 1/4-20 x 1/2 flange grade 8.2 zinc plated 1
29 154-0351 Vacuum hose (sold by the foot) 2 ft
30 154-1067 Spark plug 2

Regulator and Handle Assembly - 154-3220
RefNbr Part Number Description Req Notes
1 154-0316 Bail 1
2 154-0327 Foam handle grip 1
3 154-0325 Pivot handle slide block 2
4 154-0541 Throttle control cable 1
5 999-0086 Nut 10-32 nylon insert lock zinc plated 1
6 999-0998 Washer #10 flat stainless steel 2
7 154-0640 Bushing 1
8 154-3753 Handle assembly 1
9 154-3753 Handle assembly 1
10 999-0576 Screw 8-18 x 1/2 pan head phillips self-drilling ss 5
11 154-3751 Handle sleeve stop 2
13 154-1339 Bolt 1/4-20 x 3/4 button head stainless steel 1
14 154-3753 Handle assembly 1 (includes 1-13)
15 154-3754 Two way grinder valve 1
16 154-1251 Adapter fitting 1
17 154-1756 Extended valve bracket 1
19 999-0333 Screw 10-24 x 1/2 pan head phillips stainless steel 2
20 999-0086 Nut 10-32 nylon insert lock zinc plated 1
21 154-1757 Bushing 1
22 999-0998 Washer #10 flat stainless steel 2
23 999-1031 Screw 10-24 x 1 truss head phillips stainless steel 1
24 178-0150 Clamp 1
25 178-0148 Bolt 5 x 18 1
26 154-1253 Flanged nut 1
27 154-1775 Valve assembly 1 (includes 15-26)
28 991-6001 Fuel regulator (T60) 1
29 154-0090 Fitting (regulator to fuel lock) 1
30 154-3755 1/4 inch tee fitting 1
31 154-3756 200 psi pressure switch 1
32 154-0066 Fitting 49 x 6 (regulator to fuel lock) 1
33 154-0665 12V circuit relay board 1
34 999-1158 Washer #6 flat stainless steel 2
35 999-0227 Nut 6-32 hex nylon insert lock jam zinc plated 2
36 154-3757 Propane tank overfill warning decal 1
37 154-0600 Lock washer 2
38 154-3758 Fitting 1/8 x 1/4 inch 1
39 154-3759 6 psi pressure switch 1
41 154-1195 Fuel adjustment screw 1
43 154-1196 Screw 10-24 x 5/16 inch set nylon tip 1
44 154-0352 Hosebarb 1/8 x 3/8 inch 1
45 999-0226 Screw 6-32 x 1/2 round head slotted zinc plated 2
46 154-2349 Brass elbow fitting 1
47 154-2348 Brass fitting 1
48 154-3760 Regulator inlet screen 1
49 154-3761 Safe stop bracket 1
50 999-0019 Bolt 1/4-20 x 5/8 hex head grade 5 zinc plated 2
51 154-3762 Regulator assembly 1 (includes 28-50)
52 154-1076 Female quick coupler 1
53 154-0066 Fitting 49 x 6 (regulator to fuel lock) 1
54 154-3763 Safe stop manifold 1
55 154-0169 Female brass fitting 1
56 154-1051 12V fuel lock off 1
57 154-0090 Fitting (regulator to fuel lock) 1
58 154-0348 90 degree elbow fitting 1
59 154-0600 Lock washer 2
60 154-2333 12 inch fuel hose assembly 1
61 154-0349 Fitting 54 x 6 (regulator to fuelock) 1
62 154-3764 Fuel lock bracket 1
63 999-0019 Bolt 1/4-20 x 5/8 hex head grade 5 zinc plated 2
64 154-0098 12 inch regulator hose 1
65 154-3765 Lock off assembly 1 (includes 52-64)
66 154-1758 Handle weldment 2
67 154-1759 Handle grip 1
68 154-3766 Transport handle 1 (includes 66,67)
N/S 154-0168 Fuel adjustment 1
N/S 154-0891 Fuel adjustment fitting 1

Bulkhead and Control Panel Assembly - 154-3221
RefNbr Part Number Description Req Notes
1 154-0332 Grooved grommet 1
2 154-0328 Footman loop 4
3 999-0709 Screw 10-24 x 3/4 oval head phillips 4
4 999-0152 Nut 1/4-20 nylon insert lock zinc plated 7
5 154-0584 Grommet 2
6 154-0537 Handle bracket 2
7 154-0600 Lock washer 9
8 154-0662 Battery pad 2
9 999-0086 Nut 10-32 nylon insert lock zinc plated 2
10 154-1431 Throttle bracket 1
11 154-3537 35 inch throttle cable 1
12 992-0001 Velcro loop (sold by the inch) 8 in
13 999-0334 Bolt 1/4-20 x 3/4 inch hex head stainless steel 8
14 999-0333 Screw 10-24 x 1/2 pan head phillips stainless steel 2
15 154-3689 Caution decal 1
16 154-1039 Tank strap 3
17 154-2330 Strap slide 1
18 999-0197 Screw 1/4-20 x 1 socket head alloy plain finish 6
19 154-2119 Pedal tread 2
20 154-3767 Foot pedal 2
21 999-0024 Washer 5/16 flat stainless steel 4
22 999-0028 Washer 5/16 split lock plain finish 4
23 999-0211 Nut 5/16-18 hex nylon insert lock zinc plated 4
24 999-0424 Bolt 5/16-18 x 1 hex head stainless steel 4
25 997-1002 Pop rivet 3/16 x 7/16 4
26 999-0136 Bolt 1/4-20 x 1 1/4 hex head grade 5 zinc plated 1
27 999-0016 Washer 1/4 flat plain finish 2
28 999-0288 Washer M16 flat zinc plated 1
29 999-1288 Washer 1/4 x 1 OD fender stainless steel 1
30 154-1444 Control flow cable 1
31 154-1445 Hour meter 1
32 154-1446 Rocker switch with light 1
33 154-3768 Dash decal (OBSOLETE) 1
34 154-0117 Trim (sold by the foot) 4 ft (sold by the foot)
35 999-0086 Nut 10-32 nylon insert lock zinc plated 2
36 999-0333 Screw 10-24 x 1/2 pan head phillips stainless steel 2
37 154-1366 Spacer 2
38 154-3769 Control panel 1
39a 154-0579 Key switch assembly with key 1
39b 154-2338 Key 1
40 154-3768 Dash decal (OBSOLETE) 1
41 154-3510 Emissions monitoring module assembly 1
42 154-3770 LED light (red) 1
43 154-3757 Propane tank overfill warning decal 1

Frame Assembly - 154-3222
RefNbr Part Number Description Req Notes
1 154-1438 10 inch wheel (gray) 2
2 154-0600 Lock washer 7
3 999-0016 Washer 1/4 flat plain finish 7
4 999-0197 Screw 1/4-20 x 1 socket head alloy plain finish 7
5 154-0633 Lock washer 16
6 154-1439 Base plate 2
7 999-0028 Washer 5/16 split lock plain finish 4
8 999-0559 Washer 1/2 x 1/4 flat stainless steel 2
9 154-0699 Presto pin 1
10 154-1441 Clevis pin 1
11 154-1440 Axle adjustment assembly 1
12 154-2082 Plate 1
13 154-2033 Pin 2
14 999-0032 Washer 3/8 USS flat plain finish 10
15 999-0882 Screw 3/8-16 x 3/4 hex head hot dipped galvanized 2
16 999-0424 Bolt 5/16-18 x 1 hex head stainless steel 4
17 999-0211 Nut 5/16-18 hex nylon insert lock zinc plated 4
18 999-0024 Washer 5/16 flat stainless steel 4
19 999-0959 Nut 3/8-16 hex 16
20 154-3771 Deck spacer block 2
21 999-1149 Bolt 3/8-16 x 2 carriage head stainless steel 4
22 999-1254 Washer 3/8 SAE flat zinc plated 4
23 154-0199 Grommet 2
24 154-3772 34 inch gearbox assembly 1
25 154-3773 Deck brace bracket 1
26 999-0232 Screw 3/8-16 x 1 1/4 carriage head grade 5 zinc 8
27 154-3774 Axle 1
28 154-3775 Vacuum tube 1
29 154-3776 Gearbox support spacer 2

Gearbox Assembly - 154-3223
RefNbr Part Number Description Req Notes
1 999-0211 Nut 5/16-18 hex nylon insert lock zinc plated 2
2 154-0757 Screw 3/8 x 1 22
3 154-0633 Lock washer 24
4 999-0024 Washer 5/16 flat stainless steel 26
5 154-3777 1 inch right angle gearbox 2
6 154-3778 1 inch t drive gearbox 1
7 154-0600 Lock washer 5
8 154-2350 Upper clutch spacer 2
9 999-0160 Washer 1/4 x 1 1/4 fender zinc plated 1
10 154-3779 Key 1/4 x 1 1/4 inch 1
11 154-2182 Square keyway 2
12 154-3780 15 3/4 inch pulley with 1 inch bore 1
13 154-3781 5/16 inch shear coupling 2
14 154-3782 Gearbox mounting plate 2
15 154-3816 Gearbox retrofit kit 2
16 999-0353 Bolt 5/16-18 x 2 3/4 hex head grade 5 zinc plated 2
17 999-0649 Bolt 3/8-16 x 1 1/4 hex head stainless steel 2
18 999-1099 Bolt 1/4-20 x 3/4 hex head stainless steel 5
19 999-0157 Screw 5/16-18 x 3/8 cup point socket set alloy plain finish 6
20 154-3784 5/16 inch shear bolt kit 1
21 154-3785 Weight bracket 1
22 154-3786 Heat shield 1
23 999-0016 Washer 1/4 flat plain finish 3
24 154-0600 Lock washer 3
25 999-0197 Screw 1/4-20 x 1 socket head alloy plain finish 3
26 999-0609 Nut 1/4-20 hex stainless steel 3
27 154-3787 Heat insulation 1
28 999-0211 Nut 5/16-18 hex nylon insert lock zinc plated 2
29 992-0001 Velcro loop (sold by the inch) 2 in
30 154-2116 Vibration stud mount 2

Front Main Assembly - 154-3224
RefNbr Part Number Description Req Notes
1 154-3788 17 inch padholder with lugs 2
2 999-0028 Washer 5/16 split lock plain finish 13
3 999-0211 Nut 5/16-18 hex nylon insert lock zinc plated 10
4 154-0700 P clamp 2
5 154-3789 Engine mount plate assembly 1
6 154-0757 Screw 3/8 x 1 7
7 154-0633 Lock washer 14
8 999-0959 Nut 3/8-16 hex 8
9 154-3762 Regulator assembly 1
10 999-0649 Bolt 3/8-16 x 1 1/4 hex head stainless steel 4
11 154-3790 5/16 inch hole plug (black) 1
12 999-0352 Bolt 3/8-16 x 2 3/4 hex head grade 5 zinc plated 1
13 154-3791 Bracket tensioner weldment 1
14 154-3511 Tensioner and pulley 1
15 999-0334 Bolt 1/4-20 x 3/4 inch hex head stainless steel 15
16 154-3792 Pulley cover with inserts (OBSOLETE) 1
17 154-3765 Lock off assembly 1
18 999-0032 Washer 3/8 USS flat plain finish 3
19 162-0007 12V 12Ah sealed battery 1
20 154-0662 Battery pad 1
21 154-1781 Battery retainer bracket 1
22 999-0197 Screw 1/4-20 x 1 socket head alloy plain finish 12
23 154-0600 Lock washer 30
24 999-0016 Washer 1/4 flat plain finish 27
25 154-1780 Vinyl tubing (sold by the inch) 5 in
26 154-1224 Elbow fitting 2
27 154-1221 Tee fitting 1
28 154-3793 Belt 1
29 154-3794 Weight bracket assembly 1
30 154-3816 Gearbox retrofit kit 1
31 154-3795 Access panel weldment 1
32 154-1785 Access panel 1
33 154-3796 Hose 1 1/2 x 16 inch 1
34 154-1279 Clamp 2
35 154-3797 1 inch left hand drive hub assembly 1
36 154-3798 1 inch right hand drive hub assembly 1
37 154-9021 V-ring seal 2
38 999-0824 Screw 1/4-20 x 3 hex head plain finish 2
39 154-0549 Square keyway 2
40 999-0157 Screw 5/16-18 x 3/8 cup point socket set alloy plain finish 4
41 154-3799 Skirt cutout 1
42 154-1789 Vacuum hose adapter 1
43 154-1784 Weight 8
44 154-2188 Lynch pin 6
45 154-3800 34 inch grinder cover plate 1
46 154-3801 17 1/2 inch driver plate assembly 2
47 154-3538 Holder 12
48 154-3816 Gearbox retrofit kit 2

Rear Main Assembly - 154-3225
RefNbr Part Number Description Req Notes
1 999-0708 Screw 3/8-16 x 2 carriage head grade 5 zinc 2
2 154-0326 Knob 2
3 154-2354 Wave washer 2
4 154-3753 Handle assembly 1
5 999-0024 Washer 5/16 flat stainless steel 7
6 999-0028 Washer 5/16 split lock plain finish 13
7 999-0424 Bolt 5/16-18 x 1 hex head stainless steel 12
8 999-0211 Nut 5/16-18 hex nylon insert lock zinc plated 10
9 154-3803 3/8 inch flip ring 2
10 154-0633 Lock washer 12
11 999-0197 Screw 1/4-20 x 1 socket head alloy plain finish 12
12 154-0600 Lock washer 30
13 999-0016 Washer 1/4 flat plain finish 27
14 154-1774 Tank bracket 1
15 154-1777 Clutch switch 1
16 154-1778 Clutch switch bracket 1
17 999-1044 Screw 10-32 x 3/4 pan head phillips stainless steel 2
18 154-2024 Hitch pin retainer 1
19 154-1773 Tank 1
20 154-1779 6 inch screw on cap 1
21 154-1275 Gasket 1
22 999-0882 Screw 3/8-16 x 3/4 hex head hot dipped galvanized 2
23 999-0032 Washer 3/8 USS flat plain finish 3
24 154-1775 Valve assembly 1
25 154-1780 Vinyl tubing (sold by the inch) 40 in
26 154-1784 Weight 8
27 154-2188 Lynch pin 6
28 154-1222 Hose clamp 1
29 154-0544 Screw 4-40 x 3/4 UNF round head machine 1
30 154-0242 Threaded spacer 1
31 999-1158 Washer #6 flat stainless steel 1
32 154-0540 Nut 4-40 nylon lock 1
33 178-0148 Bolt 5 x 18 1
34 154-1253 Flanged nut 1

Head Assembly - 154-3226
RefNbr Part Number Description Req Notes
2 999-0152 Nut 1/4-20 nylon insert lock zinc plated 3
3 154-1469 Lug 3
4 154-1791 Nylon spacer 3
5 154-2086 Magnet 12
6 999-1436 Bolt 1/4-20 x 1 3/4 hex stainless steel 3
7 154-3801 17 1/2 inch driver plate assembly 2 (includes 2-6)
8 154-9025 Aluminum holder lip 1
9 154-1471 Roll pin 1
10 154-3805 Adapter plate holder 1
11 154-3806 Screw M8 x 20mm 1
12 999-0471 Nut M8-1.25 nylon insert lock zinc plated 1
13 154-3538 Holder 1 (includes 8-12)
14 154-3807 17 1/2 inch driver plate with holders 2
15 154-0633 Lock washer 6
16 999-0032 Washer 3/8 USS flat plain finish 6
17 154-1461 Right side clutch plate assembly 1
18 154-1215 Coupling 1
19 154-1203 Screw 3/8 x 1 3/4 6
20 154-3808 Grinder drive hub 1
21 154-1460 Left side clutch plate assembly 1
22 154-3798 1 inch right hand drive hub assembly 1 (includes 15-16, 18-21)
23 154-3797 1 inch left hand drive hub assembly 1 (includes 15-20)
24 154-2025 Hitch pin 3
25 154-2024 Hitch pin retainer 3
26 154-3678 Head attachment plate 1
27 999-1437 Screw 10-24 x 1/2 inch socket head stainless steel 3
28 154-1217 Washer .2 nylon 3
29 154-1218 Washer .21 nylon 3
30 154-9021 V-ring seal 6
31 999-0130 Screw 5/16-18 x 3/4 socket head alloy plain finish 6
32 999-0553 Washer 5/16 medium split lock stainless steel 6
34 154-1464 Flex disc assembly 6
35 154-1463 Internal ring 24
36 154-9020 Sealed bearing 12
37 154-9017 2 inch vinyl cap 6
38 154-1470 Screw 1/4-20 x 1 1/2 phillips 3
39 154-1468 Nylon tie 6
40 154-1466 Foil tape 2 inch x 50 yard (OBSOLETE) 6
41 154-9023 Wave spring 6
42 154-1465 Washer .8 flat 6
43 999-0288 Washer M16 flat zinc plated 6
44 999-0024 Washer 5/16 flat stainless steel 6
45 154-3811 17 inch free spin driver assembly 1
46 154-3811 17 inch free spin driver assembly 1 (includes 2-3, 30-32, 34-45)
N/S 154-3804 17 1/2 inch driver plate 1
N/S 154-9021 V-ring seal 6

Wiring Diagram -

RefNbr Part Number Description Req Notes

Connections - 154-3228
RefNbr Part Number Description Req Notes
A 154-3812 Main wiring harness 1
D 154-0337 Positive battery cable 1
E 154-0338 Negative battery cable 1
J 154-0909 20amp fuse 1
N/S 154-3813 Hour meter wire 1
N/S 154-3814 Oxygen sensor wire 1
N/S 154-2336 Wire (solenoid to battery) 1
N/S 154-3815 Clutch controller assembly 1
N/S 154-3510 Emissions monitoring module assembly 1

- Commonly Asked For Parts - 154-9986
RefNbr Part Number Description Req Notes
01 154-3511 Tensioner and pulley
02 154-3537 35 inch throttle cable
03 154-3538 Holder
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