Allen HD550
Allen HD550C

Introducing Allen Engineering’s completely new Hydra-Drive Series of Riding Trowels!

Hydra-Drive (HD) Series trowels feature all hydraulic power steering and drive eliminating the need for manual levers, clutches, or mechanical gear boxes! Made with new millenium technology, these Allen® Trowels are designed to satisfy the most demanding concrete contractors.

The HD550 is Allen’s very first Hydra-Drive trowel. This rider features 60 inch diameter rotors driven by two radial piston hydraulic motors powered by a 87HP Turbo-Charged Kubota Diesel Engine. The 550 incorporates Allen’s “stretched” frame with 18 in spacing between the pans. This stretched frame helps achieve higher F#s by reducing ridging on the first pan pass and this feature also increases productivity. Designed with the finisher in mind from the blades up, the HD550 has many exciting features.

01 Generation III (All Hydraulic, Proportional) Joy Stick power steering  
02 87 HP Turbo Charged Kubota Diesel (the most HP ever offered on a rider).  
03 Stretched Frame with an 18 in spacing between the rotors – improves productivity 33%  
04 Fixed Seat Frame with removable front and rear screens  
05 Leak-Proof Hoses with a One Year Warranty  
06 Engine Throttle Built-in the Seat Frame  
07 Raised Deck Platform and Foot Pedals for Operator Comfort  
08 Adjustable Arm Rests for Operator Comfort  
09 Foot Pedal Rotor Speed Control  
10 Six each 50 Watt Lights  
11 Excellent “Line-of-Sight” for Easy Operation  
12 A full 5 ft (60 in) Diameter pan for the best pan coverage  
13 Five-Bladed Spider with Heavy Duty Trowel Arms  
14 All Hydraulic Drive – no clutches, belts or gear-boxes to wear out.  
15 State-of-the-Art, Hydraulic Componentry With A Two Year Warranty  
   
Control Panel

Control panel

We have clustered all gauges in one easy-to-read, lockable and weather-proof panel.

Comfortable Cockpit

Comfortable cockpit

Finishers will find the HD550 the most comfortable rider ever to operate. An adjustable seat and arm rests along with joystick controls reduce fatigue.

Powered Pitch

Powered pitch

Now for the first time, Allen offers individual powered pitch of the blades on each rotor.

Lifting System

Lifting system

The HD550 comes complete with a factory designed lifting system. Designed with a margin of safety, our HD550 Lifting Bridle makes moving the rider around the job site safe and easy.

 
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