Allen Engineering PRO424E – Walk-Behind Trowel

The PRO424E from Allen Engineering is a compact, gas-powered walk-behind trowel built for precision edge work and smaller slab areas. Powered by a reliable Honda GX120 engine, it delivers smooth, consistent finishes with the maneuverability needed for tight jobsite conditions.

Description

PRO424E: Compact Gas-Powered Precision for Finishing Tight Spaces

The PRO424E from Allen Engineering is a professional-grade, gas-powered concrete finishing machine engineered for superior performance in tight or confined slab areas. Powered by a reliable Honda GX120 engine, this walk-behind concrete trowel is designed to deliver smooth, consistent results while offering contractors maximum maneuverability and control. Ideal for edge work, small pours, and detailed finishing zones, the PRO424E is the go-to choice for professionals who value reliability and finish quality.

Despite its compact size, the PRO424E is built with the same durability and performance features found across Allen’s full line of trowels. Whether you’re working on residential slabs, commercial floors, or industrial detail work, this machine brings precision and power where larger units can’t reach.

Power and Reliability in a Compact Package

At the heart of the PRO424E is the trusted Honda GX120 engine, known for smooth operation, long life, and easy starting. It powers a 24-inch rotor that offers excellent finishing capability around columns, edges, and tight corners. The direct-drive system ensures maximum torque transfer, allowing the concrete trowel to handle tough concrete mixes with consistent control.

Designed for day-in, day-out performance, the PRO424E gives contractors the freedom to finish slabs quickly and effectively—even in areas that larger concrete finishing machines can’t access.

Ergonomic Control and Jobsite Durability

This walk-behind concrete trowel is built with operator comfort and long-term durability in mind. The handle assembly features user-friendly pitch controls, while the precision-balanced frame allows smooth operation with reduced vibration. It’s the ideal solution for contractors needing a compact machine that’s tough enough for daily job demands.

The PRO424E is especially effective when paired with forms and edges where maneuverability is key. Its ability to work alongside cement forms makes it an essential tool for a complete finishing workflow.

Why Choose the PRO424E?

✅ Gas-powered with reliable Honda GX120 engine for dependable performance
✅ 24-inch rotor ideal for edging, columns, and small-area finishing
✅ Compact frame fits into tight slab spaces and detailed pours
✅ Built tough as a high-output concrete trowel and concrete finishing machine
✅ Excellent for use alongside cement forms and within confined work zones
✅ A durable addition to any contractor’s fleet of professional-grade trowels

Tight Finishes Made Easy with the PRO424E

For contractors who need big performance in a small footprint, the PRO424E is the solution. From borders to slab edges, this compact concrete trowel brings power, balance, and control—right where you need it.

Specifications

ENGINE
HONDA GX120 / 118 cc
HORSEPOWER CLASS
4 hp / 3 kW
ROTOR DIAMETER
24 in (4-blades) / 61 cm
MAXIMUM ROTOR SPEED
135 rpm
TROWEL ARMS & SPIDER
Standard Duty
WEIGHT
122 lb / 55 kg
DIMENSIONS (L X W X H)
65 x 24 x 43 in / 165.1 x 61 x 109.2 cm