SP GP35 page: GRIP Program
GRIP Program:
The SP began a large scale program to rebuilt its many locomotives called the GRIP (General Rehabilitation and Improvement Program) in 1970. It encompassed many models of locomotives, one of which was the GP35. A total of 6 GP35's went through the program being rebuilt at Sacramento, CA by SP shop forces. Another 2 groups of GP35's were rebuilt by either Morrisson-Knudsen or the Canadian National raiload. The in-house rebuilt units lost their factory turbochargers and were derated to 2000 hp, except for the SP 6300. All rebuilt units received full rear gyralight packages.
SP 4160 - SP Sacrameno Shops:
| SP 4160 | SP 6630 | SP 7733 |
SSW 4200-4202 - SP Sacrameno Shops:
| SSW 4200 | SSW 6510 | SSW 770 |
| SSW 4201 | SSW 6506 | SSW 766 |
| SSW 4202 | SSW 6500 | SSW 760 |
| SSW 4203 | SSW 6515 | SSW 775 |
SP 6300 - SP Sacrameno Shops:
| SP 6300 | SP 6553 | SP 7441 |
| SP 6301 | became SP 4160 |
SP 6302-6323 - Morrison-Knudsen:
| SP 6302 | SP 6677 | SP 7780 |
| SP 6303 | SP 6524 | SP 7412 |
| SP 6304 | SP 6596 | SP 7484 |
| SP 6305 | SP 6664 | SP 7767 |
| SP 6306 | SP 6569 | SP 7457 |
| SP 6307 | SP 6545 | SP 7433 |
| SP 6308 | SP 6665 | SP 7768 |
| SP 6309 | SP 6583 | SP 7471 |
| SP 6310 | SP 6578 | SP 7466 |
| SP 6311 | SP 6598 | SP 7701 |
| SP 6312 | SP 6560 | SP 7448 |
| SP 6313 | SP 6581 | SP 7469 |
| SP 6314 | SP 6627 | SP 7730 |
| SP 6315 | SP 6641 | SP 7744 |
| SP 6316 | SP 6654 | SP 7757 |
| SP 6317 | SP 6580 | SP 7468 |
| SP 6318 | SP 6616 | SP 7719 |
| SP 6319 | SP 6557 | SP 7445 |
| SP 6320 | SP 6618 | SP 7721 |
| SP 6321 | SP 6655 | SP 7758 |
| SP 6322 | SP 6525 | SP 7413 |
| SP 6323 | SP 6549 | SP 7437 |
SP 6324-6337 - Canadian National:
| SP 6324 | SP 6678 | SP 7781 |
| SP 6325 | SP 6530 | SP 7418 |
| SP 6326 | SP 6562 | SP 7450 |
| SP 6327 | SP 6601 | SP 7704 |
| SP 6328 | SP 6571 | SP 7459 |
| SP 6329 | SP 6602 | SP 7705 |
| SP 6330 | SP 6536 | SP 7424 |
| SP 6331 | SP 6613 | SP 7716 |
| SP 6332 | SP 6546 | SP 7434 |
| SP 6333 | SP 6573 | SP 7461 |
| SP 6334 | SP 6575 | SP 7463 |
| SP 6335 | SP 6635 | SP 7738 |
| SP 6336 | SP 6647 | SP 7750 |
| SP 6337 | SP 6651 | SP 7754 |
SP 6338-6344 - Morrison-Knudsen:
| SP 6338 | SP 6535 | SP 7423 |
| SP 6339 | SP 6558 | SP 7446 |
| SP 6340 | SP 6638 | SP 7741 |
| SP 6341 | SP 6659 | SP 7762 |
| SP 6342 | SP 6667 | SP 7770 |
| SP 6343 | SP 6621 | SP 7724 |
| SP 6344 | SP 6559 | SP 7447 |
SP 6345-6352 - Canadian National:
| SP 6345 | SP 6633 | SP 7736 |
| SP 6346 | SP 6610 | SP 7713 |
| SP 6347 | SP 6648 | SP 7751 |
| SP 6348 | SP 6594 | SP 7482 |
| SP 6349 | SP 6541 | SP 7429 |
| SP 6350 | SP 6550 | SP 7438 |
| SP 6351 | SP 6591 | SP 7479 |
| SP 6352 | SP 6586 | SP 7474 |
SP 6353-6354 - Morrison-Knudsen:
| SP 6353 | SP 6561 | SP 7449 |
| SP 6354 | SP 6608 | SP 7711 |
SP 6355-6358 - Canadian National:
| SP 6355 | SP 6629 | SP 7732 |
| SP 6356 | SP 6624 | SP 7727 |
| SP 6357 | SP 6567 | SP 7455 |
| SP 6358 | SP 6634 | SP 7737 |
SP 6359-6361 - Morrison-Knudsen:
| SP 6359 | SP 6672 | SP 7775 |
| SP 6360 | SP 6673 | SP 7776 |
| SP 6361 | SP 6542 | SP 7430 |