Pulley Hub and Bull Gear Assembly, Speed Change Assembly 4 Hp

| ITEM NO | PART NO | DESCRIPTION | ITEM NO | PART NO | DESCRIPTION |
| 1 | 037-0654 | TOP BEARING CAP | 25 | 037-0609 | BULL GEAR SHIFTING ROD |
| 2 | 019-0063 | WAVE SPRING | 26 | 1295 | ROLL PIN |
| 3 | 018-0036 | BEARING | 27 | 037-0569 | HIGH LOW DETEND PLATE |
| 4 | 016-0050 | SNAP RING | 28 | 1522 | ROLL PIN |
| 5 | 037-0555 | LOCK NUT | 29 | 1259 | PLASTIC BALL |
| 6 | 037-0565 | TOP PULLEY FLANGE | 30 | 037-0559 | HI-LOW SHIFT CRANK |
| 7 | 037-0557 | PULLEY HUB | 31 | 037-0561 | H-LOW PINION BLOCK |
| 8 | 037-0564 | BOTTOM PULLEY FLANGE | 32 | 019-0035 | SPRING (PLUNGER) |
| 9 | 037-0562 | DRIVE CLUTCHES | 33 | 037-0560 | HI-LOW PLUNGER |
| 10 | 1518 | SCREWS | 34 | 1326 | SCREWS |
| 11 | 012-0013 | SCREWS | 35 | 1547-02 | BEARINGS |
| 12 | 037-0589 | OIL GUARD | 36 | 017-0036 | WOODRUFF KEYS |
| 13 | 037-0587 | GEAR HUB | 37 | 012-0078 | SET SCREW |
| 14 | 037-0611 | BEARING SLEEVE FLANGE | 38 | 037-0658 | BULL GEAR PINION |
| 15 | 037-0610 | BULL GEAR BEARING SLEEVE | 39 | 037-0659 | BEARING SPACER |
| 16 | 037-0655 | SLEEVE WASHER WITH PINS | 40 | 019-0038 | WAVE SPRING |
| 17 | 019-0034 | SPRINGS | 41 | 037-0660 | BEARING CAPS |
| 18 | 012-0084 | SCREWS | 42 | 037-0603 | TIMING PULLEY |
| 19 | 018-0037 | BEARINGS SET OF THREE | 43 | 015-0015 | HEX NUT |
| 20 | 037-0599 | BEARING SPACER | 44 | 012-0060 | SCREWS |
| 21 | 037-0588 | BEARING LOCK NUT | 45 | 025-0006 | TIMING BELT |
| 22 | 037-0608 | PINION GEAR GEAR | 46 | 012-0087 | SCREWS |
| 23 | 012-0085 | SET SCREW | 47 | 037-0661 | BULL GEAR |
| 24 | 017-0037 | WOODRUFF KEY | 48 | 037-0695 | BULL GEAR PINION SHAFT |

| ITEM NO | PART NO | DESCRIPTION | ITEM NO | PART NO | DESCRIPTION |
| 49 | 1195 | SCREW | 67 | 037-0627 | MASTER LINK |
| 50 | 037-0614 | SPEED CHANGE SHAFT BEARING BLOCKS | 68 | 037-0628 | CHAIN HOLD DONW |
| 51 | 037-0615 | BRONZE BEARING | 69 | 1038-62 | SCREW |
| 52 | 037-0616 | SPEED CHANGER PLATE | 70 | 037-0629 | DRUM SHAFT |
| 53 | 037-0617 | SPEED CHANGER SHAFT | 71 | 017-0051 | DRUM SHAFT KEY |
| 54 | 017-0034 | WOODRUFF KEY | 72 | 014-0022 | WASHER |
| 55 | 012-0078 | SET SCREW | 73 | 015-0030 | CAP NUT |
| 56 | 037-0618 | SPEED CHANGER PLATE ARM | 74 | 037-0630 | SPEED CONTROL WARM GEAR |
| 57 | 037-0619 | SPEED CHANGER SPROCKET ASSEMBLY | 75 | 019-0036 | SPRING WASHER |
| 58 | 037-0622 | SPROCKET SPACER | 76 | 013-0047 | SPIRAL PIN |
| 59 | 037-0623 | SPROCKET SHAFT | 77 | 037-0631 | SPEED CHANGER SHAFT |
| 60 | 1426 | SET SCREW | 78 | 1445 | WOODRUFF KEY |
| 61 | 037-0624 | SPEED CHANGER DRUM GEAR | 79 | 037-0632 | SPACER |
| 62 | 037-0625 | TRUST CAP FOR SPEED CHANGER PLATE | 80 | 037-0633 | SPEED CONTROL HANDLE |
| 63 | 018-0032 | BEARING | 81 | 1475 | CAUTION PLATE |
| 64 | 016-0047 | SNAP RING | 82 | 037-0694 | BUSHING BRONZE |
| 65 | 037-0626 | CHAIN | |||
| 66 | 013-0048 | SPIRAL PIN |