Allen Engineering PRO436DF – Walk-Behind Trowel

The PRO436DF from Allen Engineering is a 36-inch, walk-behind trowel equipped with a dependable Duromax XP18HPX engine and a Direct Drive system for maximum torque transfer. Designed for durability and precision, it’s ideal for contractors needing a powerful and efficient concrete finishing machine for mid-sized slab applications.

Description

Allen Engineering PRO436DF: Heavy-Duty Walk-Behind Trowel

Power and Precision for Demanding Slabs

The PRO436DF from Allen Engineering is a high-torque walk-behind concrete trowel built for tough slab work where performance and reliability are critical. With its Duromax XP18HPX engine and rugged direct-drive system, the PRO436DF ensures efficient torque transfer. The machine also operates smoothly and has consistent finishing results. From warehouse floors to industrial pads, this machine gives contractors the control and strength needed to finish right the first time.

Engineered for mid-sized pours, the PRO436DF delivers the balance, durability, and finishing finesse that place it among the most dependable walk-behind trowels available today.

Duromax Engine with Direct Drive Advantage

At the heart of the PRO436DF is the Duromax XP18HPX engine, a proven powerhouse known for durability and high output. This engine provides more horsepower than typical mid-size machines, giving operators faster blade speeds and reliable performance across varying concrete conditions.

The direct-drive gearbox transfers torque efficiently from engine to rotor, eliminating belt slip and reducing maintenance. This setup allows the PRO436DF to perform smoothly under heavy load, making it a contractor’s go-to concrete finishing machine for demanding applications.

Operator Comfort and Precision Control

Allen’s Rapid Pitch handle system gives operators quick blade pitch adjustments, improving productivity without slowing workflow. With a 36-inch rotor diameter, the PRO436DF strikes the perfect balance between coverage and maneuverability. It is especially effective on mid-size pours or tighter slab areas where larger riders cannot operate.

Ergonomic handles with vibration-dampening grips reduce operator fatigue, ensuring comfort and control during extended finishing sessions.

Rugged Construction for Everyday Use

Built with a reinforced steel frame and robust gearbox, the PRO436DF withstands daily jobsite abuse. It also maintains consistent performance. Like all Allen trowels, it delivers long-lasting durability, making it a smart investment for crews that need dependable equipment.

Why Choose the PRO436DF?

  • Duromax XP18HPX engine for superior power and reliability
  • Direct-drive system for maximum torque transfer and low maintenance
  • 36-inch rotor for efficient mid-size slab finishing
  • Dependable as both a concrete trowel and concrete finishing machine
  • Built strong as part of Allen’s professional-grade trowels lineup

Take Control with the PRO436DF

For contractors who demand torque, precision, and durability, the PRO436DF delivers. This walk-behind concrete trowel provides the power and consistency professionals trust for mid-sized slab finishing.

Specifications

ENGINE
Duromax XP18HPX / 439 cc
HORSEPOWER CLASS
18 hp / 13.4 kW
FUEL TYPE
Gasoline and Propane
ROTOR DIAMETER
36 in (4-blades) / 91 cm
MAXIMUM ROTOR SPEED
120 rpm
TROWEL ARMS & SPIDER
Standard Duty
WEIGHT
246 lb / 111.6 kg
DIMENSIONS (L X W X H)
72 x 38 x 36 in / 182.8 x 96.5 x 91.4 cm