Centerline Tri-Axle Friendly End Dump

Centerline Tridem End Dump Tridrive Compatible

The Centerline tri-drive compatible end dump utilizes a sliding suspension frame to achieve correct inter-axle spacing when using a tri-drive truck. The suspension frame slides forward when raising the dump body and slides backwards when it is in transit.


Well Equipped from $85,500

Financing Available

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Centerline Tri Drive End Dump Trailer

Sliding Axle

This trailer utilizes a sliding suspension frame to achieve correct inter-axle spacing when using a tri-drive tractor.

Centerline Tri-Axle Friendly End Dump


Engineered laser cut flared end crossmembers increase torsional twist strength making the trailer much more stable.

Centerline Tri-Axle Friendly End Dump


Equipped with a Hyva hydraulic cylinder, which has the industry’s highest working pressure – delivering maximum results day in and day out.

Centerline Tri-Axle Friendly End Dump Frame


We use a 110,000 psi hi-tensile frame flange AND webb, while the majority of other trailers only use hi-tensile flanges.

Centerline Tri-Axle Friendly End Dump Box Design

Box Design

We use a radius 12 box design which greatly improves cleanout by preventing material build up.

Centerline Tri-Axle Friendly End Dump

Sloped Tailgate

The unique sloped tailgate design of this end dump prevents material hang up when dumping.


Model RC4100EX
Length Closed: 35'
Open: 41’2”
Width 8’6”
Sidewall Height 48"
Box Length 31'1" on the floor
Unladen King Pin Height 53"
Capacity 39 cu. yd. with 2” x 12” wood sideboard
Box Radius style box design
400-500 brinell tensile strength steel, 3/16” steel body construction
Hi-tensile formed tub top beam
60” forward slope bulk head design
60” high perimeter frame design tailgate
2” x 12” finished spruce painted
Side ladder mounted on LH rear sidewall
Placard holders & document tube
Frame QT-100 (100,000 psi) main frame rails
Engineered flared end crossmembers
Hi-tensile 3/8” steel upper coupler plate assembly with 2” king pin @ 18” setting
Sliding suspension sub frame assembly with (2) wheelbase positions
Hi-tensile grease type pins and bushings
Load Cover Michel’s 12” bow retractable PVC load cover c/w chain driven manual winder
Landing Gear (2) speed landing gear
Hoist 5 stage telescopic hoist
Single line system: power up, gravity down
Quick coupler connects to suit tractor wet kit
Suspension (3) 30,000 lb. air ride suspension @ 60” axle spacing
Axles (3) 25,000 lb. @ 77.5” track
Brakes 16 ½” x 7” Q S-Cam quick change brakes c/w enclosed cams
Automatic slack adjusters & type 30-30 brake pots on all axles
Parallel bearing system & Stemco HP seals
Meritor/WABCO 2S/1M ABS
Hubs & Drums 10 stud steel piloted hubs
Outboard cast drums
Wheels 10 stud pilot mounted 8.25 x 24.5 steel wheels – silver

11R-24.5, 16 ply radial

Electrical System Electric over air suspension dump
Tailgate solenoid & weigh gauge
LED rubber grommet mounted sealed lamps
Step, turn, tail & ID lights are installed in rear of chassis
Front & side markers in dump body
Midway turn signal lights installed on the dump body
Fenders Aluminum checker fenders on front trailer frame
Plastic 180 degree tub fenders at back over tridem group
Mudflaps Standard equipped – full mud flap package
Finish Sandblasted, primed, and painted with PPG urethane paint
Sideboards to match trailer chassis
Safety stripe applied as per regulation
Document holder installed on frame side rail
Warranty: 1st year – 100% parts & labour
2nd year – 50% parts & labour
3rd to 5th year – 50% parts only
  • Tuff-Lift axle lift system
  • Aluminum wheels, lightweight hubs and Centri-Fuse drums
  • Michels Dura-Flip load cover
  • Electric drive tarp
  • Quick-Slide UHMW box liner
  • Air Weigh scale system
  • Sealed tailgate and hazard safety locks

Centerline Tri-Axle Compatible End Dump with Sliding Suspension


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