Demco's 6330 Autoslide mechanism moves a fifth-wheel hitch rearward during turns to create additional clearance in a compatible short-bed truck. The original exploded drawing identifies the frame, lower guide arm, pivoting head, rollers, wear plates and upper sliding mechanism.
Original manufacturer exploded parts drawings
Use the Demco illustration to locate the component and match its original number in the tables. Open the full manufacturer PDF to enlarge small fasteners and callouts.
Parts by original diagram callout
Part numbers without purchase links are retained for identification; they are not presented as separately stocked items.
6330 hitch parts
| Drawing | Callout | Demco number | Component | Product |
|---|---|---|---|---|
| 6330 hitch | 1 | 01254 | 1/2-inch × 1-1/2-inch Grade 5 bolt | |
| 6330 hitch | 2 | 02961 | 3/4-inch nylon locknut | |
| 6330 hitch | 3 | 05366 | 5/8-inch Grade 5 bolt | |
| 6330 hitch | 4 | 07908-95 | Heavy washer | |
| 6330 hitch | 5 | 11099 | 3/4-inch × 5-inch Grade 8 bolt | |
| 6330 hitch | 6 | 11337-95 | Hinge bushing | |
| 6330 hitch | 7 | 13317 | Clevis spacer washer | |
| 6330 hitch | 8 | 14221 | Lynch pin | |
| 6330 hitch | 9 | 14222-95 | Autoslide pivot pin | |
| 6330 hitch | 10 | 14985-95 | Roller | |
| 6330 hitch | 11 | 15418-95 | Main roller | |
| 6330 hitch | 12 | 15769 | 3/8-inch urethane pivot bumper | |
| 6330 hitch | 13 | 15778-72 | Head yoke | |
| 6330 hitch | 14 | 16235 | 25-mm pivot bushing | |
| 6330 hitch | 15 | 16689 | 50-mm bushing | |
| 6330 hitch | 16 | 16841 | Autoslide wear plate | |
| 6330 hitch | 17 | 16845 | Large dome-head rivet | |
| 6330 hitch | 18 | 17505-72 | Autoslide 5-1/2-foot main frame | |
| 6330 hitch | 19 | 17823-72 | Lower guide arm | |
| 6330 hitch | 20 | 17826-72 | Upper slide assembly | |
| 6330 hitch | 21 | 6018 | Outrigger bar | |
| 6330 hitch | 22 | 6081 | Double-pivot hitch head |
Compare available hitch configurations
| Demco number | Package configuration |
|---|---|
| 8550047 | 13K above-bed Autoslide with industry-standard bed rails |
| 8550048 | 13K above-bed Autoslide without rail set |
| 8550049 | 13K under-bed Autoslide mounting package |
| 6003 | Demco above-bed adapter-plate kit |
| 6071 | Industry-standard bed rails; vehicle brackets must be confirmed |
Relevant NewRVParts product photographs
These photographs are taken from the matching NewRVParts product listings. Complete towing equipment, individual straps and mounting hardware are different products.





Identify the correct assembly
The 13K packages differ by mounting system, not just by hitch capacity: 8550047 includes industry-standard bed rails, 8550048 excludes rails and 8550049 uses an under-bed system. Demco's service bulletin 6441 applies to specific units made September 29–December 16, 2021 with serial numbers 18146–21315; owners of affected units should review it before using or servicing their hitches.
