Reinforced Steel Gooseneck
Web stiffener bars and 1/4"-thick halfmoon gussets on one side of the web, plus overlapping “wrap-around” flanges where the gooseneck meets the main beam, reinforce the transition area of the gooseneck for uncompromised strength in this critical area. Also included: 4-bolt, easy-access front panel, stake pockets, and flag holders.
Knee Braces and Steel Crossmembers
Knee braces are bolted on, not welded, reducing stress on the main beam and crossmembers. Crossmembers are on 12" centers in the main deck and 18" centers in the upper deck.
Air-Operated Control Valves
High quality air-operated valves are contained in a conveniently located, protective sealed box, and control the slider axle brakes/locks and suspension raise/lower functions. Actual functions will vary based on trailer options.
Landing Gear
The landing gear features a long-lasting, rust-resistant Armor-coated finish. Paint options available.
Steel-Aluminum Combo Center Frame Step Deck Trailer | Gooseneck
Maximize payloads with Trail King’s Aluminum-Steel Combo Step Deck trailer. Engineered with a reinforced steel frame for durability and an aluminum deck for corrosion-resistant weight savings. Get greater payload capacity and long-term performance to accommodate your toughest payload, regardless of size or shape.
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Trail King Steel-Aluminum Step Deck
| Aluminum-Steel Combo Step Deck Performance Specs | TK80ACS-34 | TK80ACS-38 | TK80ACS-40 |
|---|---|---|---|
| Base Weight | 9,575 lbs. | 9,885 lbs. | 9,995 lbs. |
| Capacity | 80k Distributed | 80k Distributed | 80k Distributed |
| Loaded Deck Height | 34” | 38” | 40” |
| Loaded Ground Clearance | 9” | 13” | 15” |
| Overall Width | 102” | 102” | 102” |
| Overall Length | 47’ 10” | 47’ 10” | 47’ 10” |
| Kingpin Setting | 14” | 14” | 14” |
| Fifth Wheel Height | 48”-50” | 48”-50” | 48”-50” |
| Upper Deck Length | 10’ | 10’ | 10’ |
| Concentrated Load Rating | 60k in 10’ | 60k in 10’ | 60k in 10’ |
| Aluminum Decking w/ (3) Flush Apitong Nailers | X | X | X |
| Cross Member Spacing (Main/Upper) | 12’/18” | 12’/18” | 12’/18” |
| Suspension | Holland CB23U | Holland CB23U | Holland CBX23U |
| Suspension Configuration | Tandem | Tandem | Tandem |
| Fifth Wheel Height | 48”-50” | 48”-50” | 48”-50” |
| Upper Deck Length | 10’ | 10’ | 10’ |
| Concentrated Load Rating | 60k in 10’ | 60k in 10’ | 60k in 10’ |
| Cross Member Spacing (Main/Upper) | 12’/18” | 12’/18” | 12’/18” |
| Suspension | Holland CB23U | Holland CB23U | Holland CBX23U |
| Suspension Configuration | Tandem | Tandem | Tandem |
| Suspension Spacing | 50” | 50” | 50” |
| Rear Axle Location | Wheels Back | Wheels Back | Wheels Back |
| Anti-Lock Braking System | 2S1M | 2S1M | 2S1M |
| Drum Brakes | 12 ¼ x 7 ½ | 12 ¼ x 7 ½ | 16 ½ x 7 |
| Brake Rating | 20k | 20k | 20k |
| Manual Raise/Lower | |||
| w/ Gauge in Enclosure | X | X | X |
| Wheels | 6.75 x 17.5 Steel | 7.50 x 19.5 Steel | 8.25 x 22.5 Steel |
| Tires | 235/75R17.5 | 265/70R19.5 | 255/70R22.5 |
| 2-Speed Landing Gear | X | X | X |
| Flag Holders | 3/Side | 3/side | 3/side |
| Sealed Electrical System | X | X | X |
| LED Lights | X | X | X |
| DOT Required Lights w/ Mid-Turn & 3rd Tail Light | X | X | X |
| Document Holder | 4 ½“ Round | 4 ½“ Round | 4 ½“ Round |
| Red and White Conspicuity Markings | X | X | X |
| Standard TK Decals | X | X | X |
| 3/8” x 3” Aluminum Rub Rail w/ Double Chain Spools | X | X | X |
| Stake Pockets (24” O.C.) – Sides & Front | X | X | X |
| Full-Length Hook Track | X | X | X |
| Anti-Corrosion Barrier Between Aluminum and Steel | X | X | X |
| Zinc Coated Steel Components | X | X | X |
| Armor Coated Landing Gear & Suspensions | X | X | X |
| Dock Bumpers | X | X | X |
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Published Date: April 3, 2026
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