Description
Classen TR-20H Overview
The Classen TR-20H is a compact 20-inch walk-behind turf rake for dethatching small to medium lawns, powered by a Honda GX160 engine through a belt drive. Its standard flail reel carries 28 heat-treated blades spaced at 11/16 inch, with the spacing adjustable up to 1-3/8 inches. By removing thatch, it helps water and nutrients reach the soil, improving overall turf health, and it is aimed at landscapers and turf professionals who want a versatile, easy-to-use machine.
Dethatching depth is set with a five-position, single-action height adjustment that moves in 0.25-inch increments, with the positions provided to accommodate blade wear. Heavy-duty greasable bearings in cast iron housings support long service with reduced maintenance, and the folding handle shrinks the machine from 44 x 27 x 40 inches to 31 x 27 x 26 inches for transport and compact storage. With optional attachments, the TR-20H converts quickly into an overseeder or a vertical slice aerator, so one machine can cover dethatching, overseeding and aeration and save time and money. Classen backs the machine with a 2-year warranty, with the engine warranted separately, and it is CARB compliant, qualifying as construction equipment under CARB guidelines.
Key Features
- 20-inch operating width with a Honda GX160 engine and belt drive.
- Standard flail reel with 28 heat-treated blades spaced at 11/16 inch, adjustable up to 1-3/8 inches.
- Single-action height adjustment with five positions to set dethatching depth accurately.
- Heavy-duty greasable bearings with cast iron housings.
- Folding handle for easier transport and compact storage.
- Quick conversion to an overseeder or vertical slice aerator with optional attachments.
- 2-year warranty (engine warranted separately) and CARB compliance.
Who It’s For
The TR-20H suits landscapers and turf professionals who care for small to medium lawns and want one compact machine that can dethatch, overseed and aerate with the right attachments. Its folding handle and compact design make it simple to transport and store between jobs.
Specifications
| Brand | Classen |
| Model | TR-20H |
| Product Category | Turf Rake |
| Engine | Honda GX160 |
| Transmission | Belt Drive |
| Operating Width, in (cm) | 20 (50.8) |
| Blade/Reel (Standard) | Flail |
| Number of Blades | 28 |
| Height Adjustment Positions* | 5 |
| Height Adjustment Increments, in (cm) | 0.25 (0.6) |
| Front Wheels, in (cm) | 8×1.75 (20.3×4.5) |
| Front Wheels Style | Solid Rubber |
| Rear Wheels, in (cm) | 10×2.6 (25.4×6.6) |
| Rear Wheels Style | Solid Rubber |
| Dimensions LxWxH, in (cm) | 44x27x40 (112x69x102) |
| Folded Dimensions LxWxH, in (cm) | 31x27x26 (79x69x66) |
| Dry Weight, lbs (kg) | 135 (61) |
| Warranty** | 2 years |
| *to accommodate blade wear **engines warranted separately |
|
Frequently asked questions
What model and engine is the Classen 20″ Walk-Behind Turf Rake?
It is Classen model TR-20H, a compact 20-inch walk-behind turf rake for dethatching small to medium lawns. A Honda GX160 engine drives it through a belt drive, and the machine is CARB compliant, qualifying as construction equipment under CARB guidelines.
What blade reel comes on the Classen 20″ Walk-Behind Turf Rake?
The standard flail reel carries 28 heat-treated blades spaced at 11/16 inch, and the spacing can be adjusted up to 1-3/8 inches. Heavy-duty greasable bearings in cast iron housings support long service with reduced maintenance.
How is dethatching depth set on the TR-20H?
A single-action height adjustment offers five positions that move in 0.25-inch increments, so depth can be set accurately. The listing notes the positions are provided to accommodate blade wear.
Can the TR-20H overseed or aerate?
Yes, with optional attachments. The listing says it converts quickly into an overseeder or a vertical slice aerator, so one machine can cover dethatching, overseeding and aeration. Those attachments are optional and are not described as part of this listing.
How compact is the TR-20H for transport?
The folding handle shrinks the machine from 44 x 27 x 40 inches to 31 x 27 x 26 inches for transport and compact storage. Dry weight is 135 lbs, and the operating width is 20 inches.
Buying advice: read our guide to how to dethatch a lawn, or compare all dethatchers and power rakes.
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