| Part No. | Description |
| 200aaabbbSI | #2 Straight Idler Axle |
| 350aaabbbSI | #3.5 Straight Idler Axle |
| 350aaabbbSB | #3.5 Straight Brake Axle |
| 520aaabbbSI | #5.2 Straight Idler Axle |
| 520aaabbbSB | #5.2 Straight Brake Axle |
| 600aaabbbSI | #6 Straight Idler Axle |
| 600aaabbbSB | #6 Straight Brake Axle |
| 700aaabbbSI | #7 Straight Idler Axle |
| 700aaabbbSB | #7 Straight Brake Axle |
