SUPER PRO WALK-BEHIND TROWELS // SP446

The all-new SP446 Walk-Behind Trowel comes equipped with a variable torque converter clutch allowing for low-speed torque and high-speed finishing. With an efficient helical gearbox, this heavy-duty, high-speed Walk-Behind can tackle the most demanding of projects. The SP446 is also equipped with a plow handle design for the operator’s ease when pitching the blades to an all-new height of 28-30 degrees.

Specs Equipment Videos FAQ's

SP446

Specifications

ENGINE

HONDA GX390 / 389 cc

HORSEPOWER CLASS

13 hp / 9.6 kW

FUEL TYPE

Gasoline

ROTOR DIAMETER

46 in (4-Blades) / 117 cm

MAXIMUM ROTOR SPEED

225 rpm

TROWEL ARMS & SPIDER

Super Duty

WEIGHT

404 lb / 183 kg

DIMENSIONS (L X W X H)

78 x 48 x 39 in / 198.1 x 121.9 x 99.1 cm

SP446 SPEC SHEET

Warning: Cancer and Reproductive Harm - https://www.p65warnings.ca.gov/

SP446

Plow handle design for the operator's ease when pitching the blades to an all-new height

Safety switch

Torque converter clutch

Lifting hook

Equipment Videos

How to Align a Trowel Arm Jig | Allen Engineering

Walk Behind Trowels

06:04 Min

This video gives instructions on how to properly complete the alignment of a trowel arm jig on a walk-behind or ride-on trowel.

How to Check the Flatness of Trowel Arms | Allen Engineering

Walk Behind Trowels

02:49 Min

This video gives you instructions on how to properly check the flatness of your trowel arms for walk-behind and ride-on trowels.

FAQ's

My Walk-Behind Trowel positive pitch drifts down

Check the ¾” adjusting nut on the positive pitch clutch.

Walk-Behind Trowel is shredding belts

1. Make sure you have the correct belt.

2. Check belt alignment.

How do I keep my pitch handle from falling while operating the machine?

Make sure the set screws in the collar bushing are catching the intentions on the shaft.

What do I do if my machine is spinning at idle?

1. Check belt alignment.

2. Check engine idle.

Why is my walk-behind wobbling?

Look for a bent arm or trowel arm out of alignment.