01 — Overview
What It Does
DOEPKER TRAILER SALES LTD. 55T TRIDEM – Lowboy, 55 TON OVER COMPLETE LOWER DECK
DOEPKER TRAILER SALES LTD. 55T TRIDEM lowboy with 55 TON OVER COMPLETE LOWER DECK and G.V.W.R. 59,965 KG (132,200 LB).
Key Specs
- Tare weight: APPROX. 10,080 KG (22,220 LB) INCLUDING STANDARD EQUIPMENT
- G.V.W.R.: 59,965 KG (132,200 LB)
- Distributed load: 55 TON OVER COMPLETE LOWER DECK
- Concentrated load (lower deck): 40 TON OVER 15’, 35 TON OVER 10’
- Lower deck at: 42’ 10 ½”
- Upper deck at: 10’ ½”
- Wheelbase: 11,840MM (38ft 10in)
Protective & Safety
- Mud flap (front): MUD FLAP IN FRONT OF HYDRAULIC CONTROL VALVE
- Mud flaps (rear): 1 PAIR OF MUD FLAPS BEHIND REAR WHEELS
- Rear impact guard: MEETS CMVSS 223 SPECIFICATIONS
- Reflective tape: REFLECTIVE TAPE
- Serial plate: CANADA/U.S. SERIAL PLATE
- Safety certified: SAFETY CERTIFIED
Tub & Deck
- KNIFE EDGE TAIL
- Loading angle: 8 DEGREE
- Max tilt angle: 14 DEGREE MAX TILT ANGLE BASED ON 8’6” WIDE MODEL, 60” SPREAD ON 245/70R17.5 TIRES
- Cross members: ON 12” CENTERS
- Tail chain slots: LOCATED WITHIN TOP OF OUTER FLANGE (D/S AND C/S) ALONG LOWER AND UPPER DECK (18 PER SIDE LOWER DECK; 4 PER SIDE UPPER DECK)
- Chain securement lugs: 3 REAR ACROSS BACK OF LOWER DECK; 2 ACROSS FRONT OF LOWER DECK
- Pin pockets: 4 PAIR OF 1 5/8” INNER PIN POCKETS LOCATED ON THE FRONT DS OF THE GOOSNECK
- Flip step: QUICK ACCESS FLIP STEP ON THE DS & CS OF THE GOOSNECK
- Live roll: AT REAR OF GOOSNECK AND AT FRONT OF MAIN DECK
- Upper coupler: 1/2” UPPER COUPLER
- Upper coupler (optional): 50” UPPER COUPLER ON 245/70R17.5 TIRES
- Hinge plate: HINGE DOWN UPPER COUPLER PLATE OPERATED WITH AIR OPERATED LOCK PIN
Hydraulics & Control
- Hydraulic system: WET KIT READY HYDRAULIC SYSTEM
- Reservoir required: 30 GALLON RESERVOIR REQUIRED
- Pump: 25 GALLON / MINUTE PUMP
- Pressure: 2500 PSI (3,000 PSI MAX CAPACITY)
- Cylinder: HEAVY DUTY 6” BORE x 3” ROD x 170” STROKE CYLINDER DESIGNED TO BE FULLY CLOSED WHEN TRAILER IS IN TRANSPORT POSITION
- Controls: HYDRAULIC VALVE BANK HANDLES WORK IN AN UP/DOWN MOTION LOCATED ON D/S LOWER GOOSNECK SECTION
- Main deck: MAIN DECK TO BE HYDRAULIC TILT; SPECIAL DESIGN SLIDING SUSPENSION FRAME TO ELIMINATE SIDE TO SIDE SUSPENSION MOVEMENT WHILE TRAVELLING AND UPGRADED TO SLIDE ON UHMW WEAR PADS
- Secured cable: SECURED CABLE DESIGNED TRACKING SYSTEM FOR AIR AND ELECTRICAL
Suspension & Axles
- Suspension model: RIDEWELL RAR240 UNDERSLUG; 25,000 LB AIR RIDE
- Axles: 25,000 LBS AXLES
- Chain axle slings: CHAIN AXLE SLINGS
- Cam tube enclosures: CAM TUBE ENCLOSURES
- Dust shields: DUST SHIELDS WHERE AVAILABLE (NOT REQUIRED ON WABCO DISC BRAKES)
- Inline filter: INLINE FILTER ON AIR LINES
- Air ride accessories: AIR RIDE C/W DUMP VALVES AND PRESSURE GAUGE MOUNTED IN ALUMINUM BOX MOUNTED D/S IN FRONT OF FRONT AXLE
- Brake/rim note: BRAKE SIZE AND RIDE HEIGHT VARY BY RIM/TIRE AND WIDTH SELECTION
- Rims/tires: 17.5in. RIMS/TIRES; 7 ½” RH; MUST BE PAIRED WITH 12 ¼” DRUM OR PAN17 DISC BRAKES
Paint & Finish
- Surface preparation: FULLY STEEL SHOT BLASTED
- Galvanization: PURE ZINC (GALVANIZATION) SPRAY COATING APPLIED TO BARE STEEL ON COMPLETE STEEL OUTSIDE (AFTER BLAST)
- Primer: PPG EPOXY PRIMER
- Topcoat: PPG TOPCOAT (ONE COLOR)
- Paint code: HSL926187 - SILVER METALLIC
- Paint cure process: ENTIRE TRAILER PLACED IN TEMPERATURE CONTROLLED HEATED OVEN SYSTEM TO MEET DOEPKER SPECIFIC PAINT HARDNESS AND ADHESION CRITERIA
Lighting & Safety
- Lighting type: LED LIGHTS AS PER CMVSS
- Marker lights: 2 X ¾” PENNY LIGHTS – D/S AND C/S
- Side signal lights: 1 OVAL SIDE SIGNAL LIGHTS – D/S AND C/S – MARKER AND SIGNAL
- Rear brake/clearance: 2 RED OVAL – REAR FACING – BRAKE SIGNAL CLEARANCE
- Strobe lights: 2 OVAL AMBER STROBE LIGHTS FACING REAR C/W SWITCH IN AIR GAUGE BOX
02 — Specifications
By the Numbers
| Item Number | NEW-DOEPKER-55T-TRIDEM-RT-107-SWING-CLEAR-25116096 |
| Condition | New |
| Make | DOEPKER TRAILER SALES LTD. |
| Availability | In Stock |
Full spec sheets and freight dimensions available per listing.
Manufacturer names are trademarks of their respective owners and are used for identification only.
Inventory
Real units, real specs
Financing
Soft-pull pre-approval in 24h
Freight
Heavy-haul, coast to coast
Support
One team, purchase to delivery
03 — Request a Quote
Pricing, Specs & Freight
Want pricing details, a full spec sheet, or a freight estimate before you buy? Send it over and the Working Iron team responds within one business day.



