Knight 40T Tridem Folding Gooseneck


Knight 40t Tridem Trailer


All fabricated QT-100 mainframe design with selective lightening holes alongside rail.

Knight Folding Gooseneck Trailer


Short, wide folding gooseneck (winch type) with removable king pin.

Knight Trailer

Center Liveroll

Air operated center deck Megalift 6” live roll with ratchet roller lock.

40T Tridem Trailer


Full width, 30" wide bolsters between tires fitted with T100 top plate and traction bars and over the 1st and 2nd axles, T100 wheel covers and side skirts.

Knight Trailers


Full width beavertail/flip over H/D 8 5/8” live roll combination.

Knight 40T Folding Gooseneck Trailer

Pin Pockets

(10) external pin pockets and (18) internal pin pockets along trailer frame so that you can safely secure whatever you are loading.




Length 52'9"
Width 10'0"
Main Deck Length 26’
Overall Lower Length  41’6”
Deck Height 43” nominal
King Pin Setting 18"
Capacity 40 ton distributed evenly over 20’ of deck
Gooseneck Short gooseneck with (1) king pin setting for tandem drive tractor
Full width pick-up throat c/w cable saver & cable anchor behind king pin
Tapered front ramp for ease in loading equipment over front with neck in flat position
Greaseable hinge pins 4140 heat treated/stress relieved
Hi-Lo gooseneck lock provision for use as an oilfield float
Main Frame All fabricated QT100 mainframe design c/w selective lightening holes
Main deck 8” x 4” I beam crossmembers @ 24” spacing
Live Rolls  Air operated center deck Super-Lift 6.375” live roll c/w ratchet roller lock
(2) Air operated 6” split live rolls mounted at rear of main deck
Pin Pockets (10) pair external single mount pin pockets
(7) pair internal single mount pin pockets
(1) pair quad pin pockets behind center deck live roll
(1) pair of internal quads mounted in first bolster
(1) pair internal quads mounted in front of live roll
(1) pair mounted in center of front side of rear cross member @ 10” inside width
Chain Pockets Opposite each crossmember on maindeck
(3) pair on gooseneck & (1) under each wheel bolster
Load Winches (10) Three bar strap winches mounted on side rail & J hooks opposite
Deck Material 3” fir rough decking throughout
Bolsters Rear deck half bolsters in front of 1st axle tires
Full width, 30” wide bolsters between tires fitted 3/8” T100 top plate & 1” traction bars
3/8" T100 wheel covers & 5/16" side skirts over the 1st and 2nd axles    
Beavertail Full width gentle slope 20 degree beavertail fitted with 3/8” T100 top plate & 1” traction bars
Flip over 8.625” live roll equipped with cable saver & (2) sets of support rollers
Landing Gear Lightweight tube style swing up dolly legs
Wide Load Sign Wide load sign & receiver tubes in front of rear light panel
Suspension (3) 30,000 lb. air ride suspension @ 60” axle spacing
Air scale & manual dump valve in enclosed box at rear side rail
Axles (3) 25,000 lb. @ 95” track (10’0” wide over tires)

Enclosed cam tubes c/w automatic slack adjusters
Quick change 16 ½” x 7” brake blocks
Equipped with parking brakes on 3 axles
2S/1M anti-lock braking system

Hubs & Drums 10 stud steel piloted hubs & outboard cast drums
Wheels Steel 10 stud pilot mounted 8.25” x 22.5” steel disc wheels
Tires 275/70R-22.5 low profile radial
Lighting Integrated wiring harness
Rubber mounted LED sealed beam lighting system
(1) pair swing out 4” LED wide load lights at front & rear deck on side rail
(1) pair rear mount amber LED strobe lights with switch in dump valve cabinet
Finish Sandblasted, sealer, epoxy primer & polyurethane paint in single color
Safety Stripe Applied as per regulation
Document Holder Installed on side rail of gooseneck
  • Available in different main rail profiles, widths & lengths
  • Tuff-Lift axle lift system
  • Available in 40-65 ton main frame capacities
  • Compatible with Tridrive tractors
  • Full width 10” rear mount live roll
  • Load bearing wheel covers
  • Split rear deck live rolls
  • Full width beavertail with open wheel wells
  • Booster provisions installed on rear frame
  • Available in different tire & rim requirements       



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