Starter for Caterpillar RT50 SA: heavy-duty replacement for OEM 1068553 (12V). Built for reliable field replacement performance.
Fits These Models
Caterpillar
- RT50 SA (1991-1995 — L4 3.9L 236cid 4.236)
- RT50 SA (1991-1995 — L4 3.9L 236cid Perkins 4.236)
- RT50 (1993-1995 — L4 3.9L 236cid 4.236)
- RT50 (1993-1995 — L4 3.9L 236cid Perkins 4.236)
- RT60 (1990-1995 — L4 3.9L 236cid 4.236)
- RT60 (1990-1995 — L4 3.9L 236cid Perkins 4.236)
- RTC60 (1990-1995 — L4 3.9L 236cid 4.236)
- RTC60 (1990-1995 — L4 3.9L 236cid Perkins 4.236)
Gradall
- 534B6 (1988-2003 — L4 3.9L 236cid 4.236)
- 534B6 (1988-2003 — L4 3.9L 236cid Perkins 4.236)
- 534B8 (1988-2003 — L4 3.9L 236cid 4.236)
- 534B8 (1988-2003 — L4 3.9L 236cid Perkins 4.236)
- 534B9 (1988-2003 — L4 3.9L 236cid 4.236)
- 534B9 (1988-2003 — L4 3.9L 236cid Perkins 4.236)
- 544 (1988-2003 — L4 3.9L 236cid 4.236)
- 544 (1988-2003 — L4 3.9L 236cid Perkins 4.236)
Caterpillar Ag. & Ind.
- CS433B (1988-1993 — Perkins 4-236)
OEM Cross-Reference Numbers
Replaces the following OEM part numbers: 1068553, 143-0537, 7C4622, 8T9685, 128000-4090, 128000-4091, 128000-4092, 128000-7040, 128000-7041, 128000-7042.
Please verify the OEM reference number and equipment fitment before ordering.








