
The Classen self-propelled Overseeder with hydrostatic drive, makes seeding easier.
HTS-20 PRO Hydro-Drive Overseeder creates more seed rows, placed closer together, to produce thicker turf! Unique floating seed box and our industry best 13 double-bladed shafts, 26 blades in all, spaced a narrow 1.5 inches apart, provide carpet-like coverage even on the bumpiest of terrain.
- More blades = better germination. Plus, each heat-treated blade can be rotated 180 degrees for double the life.
- Industry’s tightest blade placement (spaced 1.5″ apart) provides the best seed coverage
- Single lever powered forward and reverse
- 10 different depth positions to accommodate blade wear.
- 2-Year Warranty

PRO Hydro-Drive Turf Overseeder Specifications
Model | HTS-20H |
Engine | Honda GX390 |
Transmission | Hydrostatic |
Fuel Capacity, gal (l) | 1.6 (6.1) |
Seeding Width, in (cm) | 20 (50.8) |
Blade/Reel (Standard) | Multipurpose |
Number of Blades | 26 |
Height Adjustment Positions* | 10 |
Height Adjustment Increments, in (cm) | 0.16 (0.4) |
Seedbox Capacity, lbs (kg) | 40 (18.1) |
Front Wheels, in (cm) | 13x5.0-6 (33x12.7-15.2) |
Front Wheels Style | Pneumatic |
Rear Wheels, in (cm) | 13x5.0-6 (33x12.7-15.2) |
Rear Wheels Style | Pneumatic |
Dimensions LxWxH, in (cm) | 57x31x45 (144.8x78.7x114.3) |
Folded Dimensions LxWxH, in (cm) | 45.8x31x33 (116.3x78.7x83.8) |
Dry Weight, lbs (kg) | 300 (136.1) |
Warranty** | 2 years |
*To accommodate blade wear | ** engines warranted separately |
Classen PRO Hydro-Drive Overseeder Features
- Honda® GX270 engine
- Hydro-Gear® T2 transmission for smooth consistent power flow, and ease of maintenance
- Speeds up to 3 mph forward; reverse up to 1.5 mph.
- Turf tread flotation tires produce
- Less pressure per square inch
- Exceptional balance and stability on hills and straight lines.
- Reduces soil compaction and tire ruts.
- 40 lb. capacity floating seed box
- Floating seed box follow the contours of bumpy, undulating terrain or locks in place in any of 10 depth settings for seeding on hills and slopes.
- Seed dial and onboard instruction chart allows you to set exact seed size for precision seeding without seed waste.
- Folding handle
- 26 heat-treated, multipurpose blades with cutting edge on both ends for double the blade life
