Allen Engineering HDX615-DF – Riding Trowel

The HDX615-DF from Allen Engineering is a fully hydraulic, 8-foot ride-on trowel powered by a Duromax 688cc engine for exceptional torque and finishing control. Designed for high-volume flatwork, it features a high-capacity fuel tank, cruise control, and reliable performance for demanding job sites.

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Description

Allen Engineering HDX615-DF: Dual-Fuel Ride-On Trowel

Versatility and Power for Professional Contractors

The HDX615-DF from Allen Engineering is an advanced 8-foot ride on trowel machine designed for contractors who need flexibility, power, and precision on large-scale slabs. Built with a PSI dual-fuel engine, the HDX615-DF allows operators to switch between gasoline and propane. This makes it ideal for jobsites with emissions or fuel storage restrictions. With this adaptability, the machine ensures consistent performance in both wide-open flatwork and complex pours.

By combining high torque output with a full hydraulic drive, the HDX615-DF delivers precise speed control, smooth handling, and long-lasting durability. From panning to final finishing, it stands out as a top performer in the concrete finishing machine category.

Dual-Fuel Engine for Maximum Flexibility

At the heart of the HDX615-DF is the PSI dual-fuel engine. This powers rotors effectively through every stage of the pour. Contractors can seamlessly switch fuels to reduce costs, minimize emissions, or meet specific project requirements without sacrificing output. This capability ensures that the HDX615-DF functions as a powerful and adaptable concrete trowel across different job conditions.

Paired with a hydraulic system, the engine maintains steady torque under load, delivering smooth, uninterrupted operation for both floating and finishing.

Hydraulic Precision and Operator Comfort

The HDX615-DF features a full hydraulic drive system with responsive joystick steering, cruise control functionality, and a digital display for diagnostics and fuel monitoring. These advanced controls allow operators to maintain consistent slab quality and reduce fatigue during long shifts.

With balanced handling and superior control, this ride on trowel machine makes it easier to achieve professional results on demanding commercial projects.

Durability for Demanding Jobsites

Like all Allen trowels, the HDX615-DF is built with a reinforced steel frame and rugged rotor assemblies to handle tough daily use. Its design ensures long-term reliability and strong return on investment for contractors who need dependable equipment.

Why Choose the HDX615-DF?

  • PSI dual-fuel engine for versatile fueling
  • Full hydraulic system with cruise control for precision
  • 8-foot rotor width for high-volume coverage
  • Dependable as a concrete trowel or concrete finishing machine
  • A proven performer in Allen’s elite lineup of trowels

Finish Smarter with the HDX615-DF

When adaptability, efficiency, and slab quality matter most, the HDX615-DF delivers. This dual-fuel concrete trowel combines advanced technology with rugged durability, helping contractors finish faster and with precision they can trust.

Specifications

ENGINE
PSI Dual Fuel
HORSEPOWER CLASS
67 hp | 63 hp / 50 kW | 47 kW
FUEL TYPE
Liquid-Cooled Gasoline | Propane
PANNING PATH WIDTH
101.5 in / 257 cm | 8′ Class
ROTOR DIAMETER
46 in / 116.8 cm | 6-Bladed Spider
MAXIMUM ROTOR SPEED
135 rpm
STEERING CONTROL SYSTEM
Power
FUEL CAPACITY
13 gal / 49 L
RETARDANT CAPACITY
6 gal / 23 L
WEIGHT
2,489 lb / 1,129 kg
DIMENSIONS (L X W X H)
101.5 x 66 x 60 in / 257.8 x 167.6 x 152.4 cm