Match the part number, measurements and connection points that apply to your trailer.
| Bearings | Match inner and outer bearing numbers. |
|---|---|
| Seal | Match the seal number or dimensions. |
| Bolt Pattern | Verify the complete lug pattern. |
| Brake Size | Confirm when applicable. |
Part Number: BYOAK-42-H865-RD
This Build Your Own Axle Kit is intended for 7,000 lb trailer axle applications using an idler (non-brake) configuration. It includes standard round #42 spindles, 8-lug idler hubs, bearing kits, and all required spindle mounting hardware.
Axle tube is not included. This kit is commonly used for custom axle fabrication, rear idler axles on tandem trailers, or idler axle replacement where brakes are not required.
Each HD-7000-KIT includes:
| Specification | Detail |
|---|---|
| Axle Class | 7,000 lb |
| Hub Type | Idler (No Brakes) |
| Bolt Pattern | 8 on 6.5" |
| Spindle Style | Round #42 |
| Spindle Base Diameter | 2.25" |
| Axle Tube Included | No |
| Specification | Detail |
|---|---|
| Overall Length | 11.00 ± .05 in (279.4 ± 1.3 mm) |
| Shoulder to Threaded End | 4.290 in (108.97 mm) |
| Length to Thread Start | 4.030 – 4.130 in (102.36 – 104.90 mm) |
| Shoulder Length | 2.410 in (61.21 mm) |
| Intermediate Length | 1.635 in (41.53 mm) |
| Small Step Length | .635 in (16.13 mm) |
| Major Body Diameter | Ø 2.500 +.000 / -.003 in |
| Inner Shoulder Diameter | Ø 2.250 in (57.15 mm) |
| Main Shaft Diameter | Ø 1.749 in (44.42 mm) |
| Tapered Section Diameter | Ø 1.249 in (31.72 mm) |
| Thread Specification | 1"-14 UNS 2A |
| Cross Hole Diameter | Ø .187 ± .010 in (4.75 ± 0.25 mm) |
| Runout Tolerance | ? .002 in |
| Face Tolerance | .005 in |
| Surface Finish | 63 |
Verify specifications before installation.
