Gravely lawn tractors Pro Master 20-H vs Wheel Horse 620-Z
Side-by-side specs comparison
Verdict by the numbers
- The Gravely lawn tractors Pro Master 20-H and the Wheel Horse 620-Z deliver the same power: 20 HP.
- The Wheel Horse 620-Z is the more recent model: production started in 1991, versus 1989 for the Gravely lawn tractors Pro Master 20-H.
- The Gravely lawn tractors Pro Master 20-H is heavier: 444 kg versus 326 kg for the Wheel Horse 620-Z.
- The Gravely lawn tractors Pro Master 20-H has the wider mower deck: 50" versus 38".
Full specs comparison
| Gravely lawn tractors Pro Master 20-H | Wheel Horse 620-Z | |
|---|---|---|
| Power | 20 HP | 20 HP |
| Production years | 1989–1991 | 1991–1992 |
| Fuel | Gasoline | Gasoline |
| Cylinders | 2 | 2 |
| Weight | 444 kg | 326 kg |
| Drive | 2WD | 2WD |
| Transmission | Hydrostatic | Hydrostatic |
| Wheelbase | — | 106 cm |
| Length | 266 cm | 182 cm |
| Mower deck | 50" | 38" |
Frequently asked questions
Which is more powerful, the Gravely lawn tractors Pro Master 20-H or the Wheel Horse 620-Z?
The Gravely lawn tractors Pro Master 20-H and the Wheel Horse 620-Z deliver the same power: 20 HP.
Which is more recent, the Gravely lawn tractors Pro Master 20-H or the Wheel Horse 620-Z?
The Wheel Horse 620-Z is the more recent model: production started in 1991, versus 1989 for the Gravely lawn tractors Pro Master 20-H.
Which is heavier, the Gravely lawn tractors Pro Master 20-H or the Wheel Horse 620-Z?
The Gravely lawn tractors Pro Master 20-H is heavier: 444 kg versus 326 kg for the Wheel Horse 620-Z.
Which has the wider mower deck, the Gravely lawn tractors Pro Master 20-H or the Wheel Horse 620-Z?
The Gravely lawn tractors Pro Master 20-H has the wider mower deck: 50" versus 38".

