Allen Engineering AW21-K Wheel Dumper

The AW21-K Allen Wheel Buggy features a Kohler CH440 engine, 21-cu-ft steel bucket, 2,500 lb. payload, and rugged foam-filled tires for heavy-duty hauling. Built with an all-steel frame, it’s designed to handle the toughest material transport jobs with power and durability.

Description

AW21-K: Kohler-Powered Strength for High-Volume Material Transport

The AW21-K from Allen Engineering is a heavy-duty, high-capacity power buggy designed for the most demanding material transport tasks on today’s jobsites. Equipped with a powerful Kohler CH440 engine and a massive 21-cubic-foot steel bucket, the AW21-K delivers unmatched hauling performance with smooth control, even under maximum payloads. Whether you’re tackling large commercial pours or hauling debris across rugged terrain, this machine is engineered to keep you productive from start to finish.

As the largest capacity wheel buggy in Allen’s lineup, the AW21-K features a 2,500-pound payload, a reinforced all-steel frame, and foam-filled tires that provide excellent stability and puncture resistance. This concrete buggy is built to power through tough conditions without compromising safety or operator comfort.

Massive Capacity, Rugged Construction

The standout feature of the AW21-K is its 21-cu-ft steel bucket, ideal for hauling heavy materials like concrete, stone, sand, and demolition waste. This large motorized wheelbarrow minimizes the number of trips needed across the jobsite, significantly reducing downtime and improving efficiency.

The full hydraulic dump system offers smooth, precise unloading, while the bucket’s reinforced construction ensures long-term durability—even with daily use in harsh environments. From high-output pours to post-job cleanup, the AW21-K is built to move more, faster.

Kohler Power That Goes the Distance

At the heart of the AW21-K is the Kohler CH440 engine, known for reliable starts, consistent output, and long service life. With your choice of electric or recoil start, this power buggy gives operators dependable performance in any condition. The 1.7-gallon fuel tank and 7 mph top speed keep projects moving without unnecessary delays.

Foam-filled tires provide excellent grip and stability on rough or uneven ground, while the low center of gravity helps maintain balance under heavy loads. Whether used indoors on prepared surfaces or outdoors on rugged terrain, this wheel buggy handles it all with ease.

Built for Operator Comfort and Jobsite Demands

The AW21-K features a spacious ride-on platform and intuitive controls that enhance operator confidence and reduce fatigue during long shifts. Its ergonomic design, combined with the durability of Allen’s construction, makes this concrete buggy a reliable tool across a wide range of job types and conditions.

Why Choose the AW21-K?

✅ 21-cu-ft steel bucket and 2,500 lb payload for high-volume hauling
✅ Kohler CH440 engine with electric or recoil start for reliable power
✅ All-steel frame and foam-filled tires for jobsite durability
✅ Ideal as a concrete buggy, wheel buggy, or large motorized wheelbarrow
✅ Full hydraulic dump system for efficient material discharge

Power Through Every Load with the AW21-K

When your job demands maximum hauling capacity and rock-solid performance, the AW21-K is the tool you can count on. Built for power, engineered for endurance, this power buggy sets the standard for productivity.

Specifications

ENGINE
KOHLER CH640
HORSEPOWER CLASS
20.5 hp / 15 kW
STARTER
Electric
FUEL TYPE
Gasoline
FUEL CAPACITY
2.1 gal / 8 L
TOP SPEED
6 mph / 10 kph
PAYLOAD
3,200 lb / 1,451 kg
BUCKET CAPACITY
21 cu. ft. / 0.59 cu. m
LIFT CYLINDER DIAMETER
2.5 in / 63.5 mm
DUMP ANGLE
90º
DUMP/RETURN SPEED EMPTY
8 Seconds
WHEELBASE
40 in / 102 cm
WEIGHT
1,475 lb / 637 kg
TIRES
Foam Filled
DIMENSIONS (L X W X H)
97 x 47 x 50 in / 246 x 119 x 127 cm