2026 Alpha HD A80MG 40 TON MECHANICAL DETACHABLE Double Drop Trailer, New, Extendable, Iowa, Arizona

The 2026 Alpha HD A80MG-E extendable double drop trailer for sale at Midco Sales is engineered for heavy-duty hauling while offering unmatched flexibility. With a 48-foot closed length and a 40-ton capacity, this trailer delivers the strength you need for oversized and specialized loads. Because it features an extendable main deck that stretches from 29 feet to over 50 feet, it adapts easily to long equipment and machinery.

Designed with efficiency in mind, the mechanical detachable neck allows for quick loading and unloading, while the flip neck adds extra reach when needed. Additionally, the 20-inch loaded deck height and 6-inch ground clearance provide excellent stability and access on varied terrain. For operators handling demanding jobs, this trailer’s air-ride suspension, rugged Apitong decking, and reinforced gooseneck ensure durability mile after mile.

Whether you’re transporting construction equipment, industrial machinery, or other heavy freight, the Alpha HD A80MG-E gives you the versatility and reliability to get the job done right.

Midco Sales is the Alpha HD trailer dealer in Arizona.

DIMENSIONS & CAPACITY
Length:  48'
Width:  102"
Capacity: 80,000 lbs (80,000 lbs in 16' closed)

GOOSENECK
10' Mechanical Detachable neck
3' flip neck
49" 5th Wheel Height
15" King Pin
85" Swing Clearance
3 position connector plate
2 Bent D-Rings Per Side
Lightning holes each side of platform
2 Position Neck Connection Plate(49"/51")
Stainless Steel Mudflaps
Toolbox in Back of Neck with Door & Light
Air Assist Gooseneck Support Arm

Full Width Platform - 1 1/8" Apitong
LED Work Light in the Rear Platform
Additional clearance lights

MAIN DECK
Length:  29' Closed, extending to 50' 10" Open
14" Fabricated I-Beams
20" Loaded Deck Height
6" Ground Clearance
6"/4" JRI Beam Cross Members ALT on 12" Centers
8 Bent D-Rings per Side
Chain Slots on 24" Centers each side
1 1/8" Apitong Flush Decking-Full Width
Front Ramps tapered to 4" W/Traction Bars
Removable Swingout Outriggers
Air Operated Lock Pin, Deck opens every 2'
Toolbox W/Lid In Rear of Male Deck Section
2 pair additional clearance lights

REAR DECK
9' Long
40" Loaded Deck Height
Full Width Decking - 1 1/8" Apitong
1 Pair Flag Holders
1 pair Stake Pockets in Tail Channel
2 pair of chain slots mid platform
1 pair pan d-ring at rear
Frame Reinforcement for Flip Axle
Additional clearance lights at front

AXLES & SUSPENSION
2 - 25,000 lb Axles
54" Axle Spacing
Cush Suspension-25K Air
16 1/2" x 7" Drum Brakes
4S2M ABS
Spring Brakes on Both Axles
Raise & Lower Valve
Manual Ride Height Control
Airweigh Quickweigh Scale

WHEELS & TIRES
255/70R22.5 Tires
8.25 x 22.5 Aluminum outer wheels

LIGHTING
2 Tail Light Package with Stainless Steel Covers
2 Pr. Side Markers/ 1 Pr. Mid-Turns in Deck
Grote Ultra Blue-Seal Wire Harness
4" amber strobe light
Additional tail light