MORE INFO

 

U.S. NAVY 55-TON LOWBOY W/ POWERED 3RD FLIP AXLE

 

Performance:

The U.S. Navy 55-Ton Lowboy Trailer Globe Model GTBN553-51-24-GG w/ 3rd Powered Flip Axle is for both on & off road applications. It will be used to transport scrapers, cranes, and other various types of equipment. The trailer is compatible with the Army M916 series, USMC M916 LET, MK48/16LVS, LVSR MKR16 & MTVR MK31 Prime Mover.

 

​Capacity, Ratings And Speeds

GVWR: 134,000 lbs

GVW: 24,000 lbs

Payload: 110,000 lbs.

65 MPH unloaded on highways

55 MPH with 55-Ton load on highways

30 MPH with 55-Ton load on improved (gravel road)

20 MPH with 55-Ton load off road

 

​Dimenstions

Overall Length w/Flip: 51’ 6” (618”) (Includes Flip Axle)

 

Overall Length w/o Flip: 48’ (576”) (Flip Axle Up)

 

Neck Length: 13’ 3” (159”)

 

Deck Length: 24’ 3” (291”)

 

Rear Deck Length: 10’ 6” (126”)

 

Flip Axle Length: 4’ 0” (48”)

 

Trailer Width: 8’ 0” (96”) (120” w/ Swing Out Extensions)

 

5th Wheel Height: 59” (Adjustable 7-Position Adjustable)

 

King Pin Setting: 16”, 20”, 24”, 32”, 36”, 40” Adjustable

 

Swing Clearance: 108”, 104”, 100”, 96”, 92”, 88”, 84”

 

Main Deck Height: 24”

 

Rear Deck Height: 42”

 

Ground Clearance: 8”

 

Axle Spacing: 54”

 

​Frame

Gooseneck: 100,000 psi yeild webs and flanges

 

Main Beam: 16” fabricated T-1 Steel I-Beam, 100,000 psi yeild

 

Cross Member: 10” Jr. I-beams on 24” centers & 4” Jr. I-beams on 8” centers

 

Side Rails: 16” fabricated T-1 steel I-Beam, 100,000 psi yeild

 

​Axles

Three (3) ea, 71 1/2” track, 25,000 lbs (11,340 kg) capacity, grease type axles, 3rd axle powered flip with limit chains on all axles.

King Pin/5th Wheel: 2” heavy duty, with hydrualic sliding 5th wheel.

 

​Wheels & Tires

Tires: 12-ea 255/70 R x 22.5 “H” load range, on/off road.

 

Wheels: 12-ea. 8.25 x 22.5, 10 hole hub piloted steel disc wheels, on/off road, powder coated flat black.

 

Spare tire & rim 255/70 R x 22.5 “H” w/ 8.25 x 22.5 rim mounted

on neck of trailer.

 

​Brakes

16 1/2” x 7” air brakes, parking brakes on all axles, automatic slack adjusters & with 4S/2M 24 volt abs system on forward two axles.

 

​Suspension

25,000# capacity cush air ride suspension, manual ride height control, raise/lower valve +/-3, & auto dump valve.

 

​Front Ramps

31” front loading ramps with grousers.

 

​Rear Tail Section

Heavy duty reinforced wheel covers for rear loading up to 30,000 pounds on a 24” x 24” square foot print with no deformation, bolster style, 3/8” plate & 2” stiffeners set up for 3rd powered flip axle. Bolt on cover plate allows access to ABS, axles, as well as air & electrical for servicing the trailer.

 

​Flip Axle

Powered flip 3rd axle (includes air, brackets 7 pin electrical connection)

 

​Electrical

12/24-Volt electrical system, two (2) tail lights, 1/4” recessed mid turn. Led lighting in rubber grommet mountings to DOT specifications.

 

​Hydraulics

Self contained unit, removable, dual hydraulics, wetline & auxilary 9.1 HP LV100 Yanmar diesel engine hydraulic power source with isolator

engine mounts. Hydraulic gauge on neck, operating pressure of

2,500 to 3,000 psi with bi-pass valve on shoring arm for protection set at 1,600 psi.

 

​Cylinders

Vertical mount gooseneck cylinders 7” x 10”, shoring arm cylinder 4” x 6”.

 

​Tie Downs

Eighteen (18) 45° bent “D” ring tie downs 7 ea side & two (2) on the rear deck of the trailer. In addition lift & tie-down provisions for

loading aboard ships located at the front & rear of the main de

ck each side balanced to allow lifting of empty trailer with auxillary tie down in the center of the load.

 

​Outriggers

Fourteen (14) ea side removable double up front & double in the middle of the load deck to suppoprt transition of outrigger boards. Two (2) 2” x 10” x 10’ & 2” x 10” x 12’ removable outrigger boards in center of the deck with hand holders & method of securing to deck.

 

​Deck

10 gauge steel rock gaurd coverplate over gooseneck. Main deck has 1 3/4” rumber flooring secured with floor screws, center section open for outrigger boards.

 

​Finish

Sandblasted to near white, zinc rich primer & powder coated Seabee Green #34064 with black decals & black rear mud flaps.

 

​Additional Items

Toolboxes installed in base of neck and rear deck of trailer between axles.

 

Filtered glad hands w/ tools

 

Hub meter on front axle driver side

 

Black mud flaps located behind rear axles.

 

Trailer is equipped with Tie-Down & Sling provisions in accordance with MIL-STD-209 & all provisions are labeled accordingly. Trailer is C130, C130J, and C5 air certified.

 

Trailer conforms to MIL-STD-130 with identification plates showing specific UID markings. Plates include contractor’s model number, NSN, USMC registration number, trailer identification number, weight, date of mfg, & date of delivery. Plates conform to A-A-50271 or standard plates subject to approval.

 

Trailer is equipped with instruction plates &/or diagrams describing procedures followed for operation, service, & lubrications. Platess are in accordance with A-A-50271 & be affixed to the trailer using screws, bolts, or rivets.

 

Trailer has a shipping plate of the MHET with a silhouette showing the transport configuration, weight, center of gravity, as well as location & capacity of the slinging & tie-down provisions.

- Weld procedures & qualifications are in accordance with D1.1.

- Parts, Service, Operation & Maintenance Manual

Warranty: 1 year against defects in materials, workmanship, & parts.