Allen Engineering HDX705 – Riding Trowel

The HDX705 from Allen Engineering is a powerful, fully hydraulic 10-foot ride-on trowel designed for high-volume flatwork finishing. Equipped with a Ford 2.5 liter engine and advanced operator controls, it delivers maximum torque, extended runtime, and precision on large-scale concrete pours.

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Description

HDX705: Maximum Power and Precision for the Largest Concrete Finishing Projects

The HDX705 from Allen Engineering is a top-tier 10-foot ride-on trowel machine designed for the largest, most demanding concrete pours. Built for high-production flatwork applications, this heavy-duty rider delivers unmatched torque, runtime, and control—making it the go-to solution for contractors handling commercial, industrial, and infrastructure-grade projects. With a powerful Ford 2.5-liter engine under the hood, the HDX705 ensures maximum performance with durability and efficiency Allen trowels are known for.

From floating to final finishing, the HDX705 brings next-level power and versatility to the slab, making it one of the most capable machines in the concrete finishing machine category.

Powered by the Ford 2.5L Engine

At the heart of the HDX705 is the robust Ford 2.5-liter engine—a high-output, liquid-cooled workhorse that provides consistent power across extended pours. Known for its reliability and torque, this engine delivers smooth operation and impressive fuel efficiency, supporting long shifts without sacrificing performance.

When paired with the HDX705’s full hydraulic drive system, the engine ensures responsive control, improved torque distribution, and faster rotor speeds—ideal for executing precise slab finishes on massive flatwork surfaces.

Precision Engineering for Total Control

This ride-on trowel machine is equipped with advanced operator controls, including intuitive joystick steering and a digital display for real-time diagnostics and fuel monitoring. With cruise control functionality and high-capacity rotors, the HDX705 enhances operator efficiency while reducing fatigue on long jobs.

Switch effortlessly between panning and finishing modes to match the needs of your project. Whether you’re tackling early-stage floating or fine-tuning the finish, the HDX705 gives you total command over your concrete surface.

Built to Endure the Toughest Jobsites

Engineered with a rugged steel frame and reinforced rotor assemblies, the HDX705 is built for day-in, day-out use on the most demanding projects. Like all Allen trowels, it’s designed for long-lasting performance in harsh conditions—minimizing downtime and maximizing return on investment.

Why Choose the HDX705?

✅ Ford 2.5-liter engine for high-output power and efficiency
✅ Full hydraulic drive system for precision speed and torque control
✅ 10-foot width ideal for high-volume flatwork applications
✅ Advanced controls make it a top-tier concrete trowel and concrete finishing machine
✅ Part of Allen’s elite series of high-performance trowels

Dominate Large Slabs with the HDX705

When the job demands serious coverage, torque, and finish quality, the HDX705 rises to the occasion. It’s the ultimate concrete finishing machine for contractors who need speed, control, and unbeatable reliability on the biggest concrete jobs.

Specifications

ENGINE
Ford 2.5 Liter
HORSEPOWER CLASS
84 hp / 62 kW
FUEL TYPE
Gasoline
PANNING PATH WIDTH
117.6 in / 299 cm
ROTOR DIAMETER
57.6 in / 146 cm
MAXIMUM ROTOR SPEED
145 rpm
STEERING CONTROL SYSTEM
Power
FUEL CAPACITY
18 gal / 68 L
RETARDANT CAPACITY
6 gal / 23 L
WEIGHT
2,750 lb / 1,247 kg
DIMENSIONS (L X W X H)
122.7 x 62.7 x 62 in / 311.6 x 159.3 x 157.5 cm