0S1591 Hex Head Bolts fit Caterpillar
0S1591 Hex Head Bolts fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
Hex Head Bolts — SKU 0S1591
Hex head bolts for Caterpillar articulated dump trucks. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
The part is identified by SKU 0S1591 and part number 0S-1591. The listed application covers Caterpillar articulated dump truck equipment and the models specified below. Fitment should be confirmed against the machine serial number and the dimensions of the bolt being replaced before installation.
Fitment
The bolts are listed for Caterpillar articulated dump trucks, including the following models:
- Caterpillar 735
- Caterpillar 740
- Caterpillar D250E
- Caterpillar D250E II
- Caterpillar D25C
- Caterpillar D25D
- Caterpillar D300B
- Caterpillar D300D
- Caterpillar D300E
- Caterpillar D300E II
The equipment brand covered by the supplied fitment data is Caterpillar. The available information identifies the machine type as an articulated dump truck; it does not specify a particular installation position or assembly.
Specifications
| Part type | Hex head bolt |
| Part number | 0S-1591 |
| SKU | 0S1591 |
| Finish | Phosphate coating impregnated with oil |
| Overall bolt length | 1 1/2 in. The source specification labels this dimension as “Overall Bolt Length - 3”.” |
| Head height | 0.29 in. The source specification labels this dimension as “Head Height - 4”.” |
| Thread size | 3/8-16 in. |
| Thread type | Standard coarse thread |
| Head width | 0.56 in. The source specification labels this dimension as “Head Width - 5”.” |
| Grapple length | 0.37 in. The source specification identifies this parameter as “Grapple Length - 2”.” |
| Weight | 0.1 lb |
| Listed length | 15.24 cm |
| Listed width | 12.7 cm |
| Listed depth | 2.54 cm |






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