| 1 | --- | Hanger, Center, Old Style | 2 | — |
| 2 | ---- | Equalizer, Old Style | 2 | B55534, 5506 |
| 3 | 334-1063 | Shaft & Bearing, Old Style | 2 | L4325 |
| 4 | 321-311 | Bearing, Old Style | 4 | L1325, 5525 |
| 5 | --- | Shaft, Old Style; 1 3/4"OD X 7 1/2"Lg. | 2 | K1410, 5524-A |
| 6 | 334-455 | Washer, Compression; 1 1/6"ID x 4"OD x 1/4"Thk. | 4 | H241, 5522 |
| 7 | 334-209 | Bolt; 1"-8 x 2 1/2"Lg. | 2 | H80025, 5530A |
| 8 | SLN-107 | Lock Nut; 1"-14 | 10 | — |
| 9 | SFW-100 | Flat Washer; 1"ID | 2 | H230, 5522-1 |
| 10 | --- | Hanger | 4 | B55517 |
| 10 | 338-1522 | Hanger, LF-RR | 2 | B55512, 5501 |
| 10 | 338-1523 | Hanger, RF-LR | 2 | B55522, 5502 |
| 11 | 338-1703 | Hanger | 4 | B55580, 5503U-1 |
| 11 | 338-1524 | Hanger | 4 | B55533, 5503A-1 |
| 12 | --- | Replacement Wear Pad | 4 | K2303 |
| 13 | 334-1066 | Retainer Assembly | 4 | L3049 |
| 14 | 338-1509 | Equalizer Assembly, New Style | 2 | B55536, 5506-1 |
| 15 | 334-1061 | Shaft & Bearing, New Style | 2 | L4025 |
| 16 | 321-312 | Bearing, New Style | 2 | L1425 |
| 17 | 334-476 | Bolt; 1"-14 x 8"Lg. | 2 | H80080, 5530-1 |
| 18 | 338-202 | Plate, U-Bolt Top Clamp; 4"W x 5 3/8"Lg. C-C - 4" x 6" Axle | 4 | K1114, T4069 |
| 18 | 338-203 | Plate, U-Bolt Top Clamp; 3 7/8"W x 5 7/8" C-C - 5" Rd. & Eaton 5" Sq. Axles | 4 | K1014, 5514 |
| 18 | 338-1530 | Top Plate, 5" Square Axles | 4 | K1244, 5515-201 |
| 18 | 338-381 | Saddle, U-Bolt; 3"W x 7 1/2"Lg. - Fabricated | 4 | K1215, 7029-00 |
| 19 | 338-1711 | Bracket, Torque Rod/Seat; 1", 5" Round Axle | 4 | E550104, W260-10 |
| 19 | 338-1531 | Bracket, Torque Rod/Seat; 1 1/2", 5" Round Axles | 4 | E550153 |
| 19 | 338-1532 | Bracket, Torque Rod/Seat; 2 1/4", 5" Round Axles | 4 | E550223 |
| 19 | 338-1712 | Bracket, Torque Rod/Seat; 1", 5" Square Axles | 4 | E555301, 5511-22L |
| 19 | 338-1713 | Bracket, Torque Rod/Seat; 1", 4"x 6" Axles | 4 | E546103 |
| 20 | 361-568 | U-Bolt Kit; Round Bend, Grade 8 | 8 | H75010 |
| 20 | 361-258 | U-Bolt Kit; Round Bend, Grade 8 | 8 | H75015 |
| 20 | 361-559 | U-Bolt Kit; Round Bend, Grade 8 | 8 | H75025 |
| 20 | 361-254 | U-Bolt Kit; Round Bend, Grade 8 | 8 | H75035 |
| 20 | 361-558 | U-Bolt Kit; Round Bend, Grade 5 | 8 | H75055 |
| 20 | 361-509 | U-Bolt Kit; Round Bend, Grade 5 | 8 | — |
| 21 | 345-695 | Torque Rod, Adjustable; 14"-18 1/2" | 2 | M109101, 55150 |
| 21 | 345-860 | Torque Rod, Adjustable; 18 1/2"-21 3/8" | 2 | M109102, W260-150 |
| 22 | 345-784 | Torque Rod, Rigid; 16 1/2" | 2 | M209465, 55139M |
| 22 | 345-785 | Torque Rod, Rigid; 16 3/4" | 2 | M209467, 55139P |
| 22 | 345-728 | Torque Rod, Rigid; 17 1/2" | 2 | M209475, 55139, 55139L |
| 22 | 345-786 | Torque Rod, Rigid; 17 3/4" | 2 | M209477, 55139H |
| 23 | 334-253 | Bolt & Bushing Assembly | 8 | — |
| 24 | 321-147 | Bushing; 1"ID x 1 3/4"OD x 2 11/16"Lg. | 16 | L1132, 5532 |
| 24 | 321-147U | Bushing, Urethane | 16 | — |
| 25 | 334-644 | Bolt; 1"-14 x 6 3/4"Lg. | 8 | — |
| 26 | 334-205 | Washer, Compression; 1 1/16"ID x 2 3/4"OD x 1/4"Thk. | 8 | H231, 5534 |
| 27 | 339-155 | Maintenance Kit; Model 55, New Style | 1 | H75710 |
| 27 | 339-156 | Maintenance Kit; Model 55, Old Style | 1 | H87550 |
| 28 | --- | Spring Assembly | 4 | — |
