Ferris FW45 Walk Behind Mower (52" / 5901891)
Push / Walk-Behind mower · Model 5901891 · Commercial-duty · Gas
The Ferris FW45 Walk Behind Mower (52 in / 5901891) is a commercial-grade gas walk-behind mower, built for daily professional use, with a 52-inch deck and a 726cc engine making 20.5 hp. It weighs 814 lb (369.2 kg).
At a glance
Engine
| Power Source | gas |
|---|---|
| Displacement | 44.3 ci (726 cc) |
| Engine Power | 20.5 hp |
| Cylinders | 2 |
| Start Type | Electric |
| Engine Make | Kawasaki® FX651 |
| Fuel Type | Gas |
Deck
| Cutting Width | 52 in (1321 mm) |
|---|---|
| Min Cut Height | 1.5 in (38 mm) |
| Max Cut Height | 5 in (127 mm) |
| Deck Material | 10-gauge, Fabricated |
| Deck Gauge | 10 |
Drive
| Ground Speed | 7 mph |
|---|---|
| Reverse Speed | 3 mph |
| Transmission | Dual commercial Hydro-Gear® ZT-3400® transaxles with 7" cooling fans with oil coolers |
Dimensions
| Weight | 814 lbs (369.2 kg) |
|---|---|
| Fuel Capacity | 5 gal (18.9 L) |
| Length | 78.7 in (2000 mm) |
General
| Warranty | 2 yr |
|---|
Similar models
Other push / walk-behind mowers with comparable specs — including other brands — that buyers cross-shop with the FW45 Walk Behind Mower (52 in / 5901891).
Specs verified against the manufacturer spec sheet on Jun 6, 2026 — ferrismowers.com.
Independent reference database. Specs compiled from manufacturer sources and normalized for comparison; verify with the manufacturer or dealer before purchase.
Source: Ferris (manufacturer) · archived copy