Grasshopper 328G4 EFI
Zero-Turn mower · Model 328G4 EFI · Commercial-duty · Gas
The Grasshopper 328G4 EFI is a commercial-grade gas zero-turn mower, built for daily commercial mowing, with a 52-inch deck and a 810cc engine making 28 hp. It weighs 1140 lb (517.1 kg).
At a glance
Engine
| Power Source | gas |
|---|---|
| Displacement | 49.4 ci (810 cc) |
| Engine Power | 28 hp |
| Engine Make | Vanguard |
| Cylinders | 2 |
| Fuel Type | Gasoline |
Deck
| Cutting Width | 52 in (1321 mm) |
|---|---|
| Deck Material | Double-layered 10-gauge plus 7-gauge formed-steel |
| Deck Gauge | 10 |
Drive
| Transmission | Hydro-Gear ZT-4400 Transmission |
|---|---|
| Ground Speed | 10.5 mph |
Dimensions
| Weight | 1140 lbs (517.1 kg) |
|---|---|
| Fuel Capacity | 13 gal (49.2 L) |
Professional use
How the 328G4 EFI fits commercial and high-acreage work, from the specs we have. Duty class: Commercial.
Productivity computed from deck width and ground speed. Compare on the calculator ›
| Deck width | 52 in |
|---|---|
| Engine make | Vanguard |
| Engine displacement | 810 cc |
| Engine power | 28 hp |
| Transmission | Hydro-Gear ZT-4400 Transmission |
| Drive type | not specified by manufacturer |
| Ground speed | 10.5 mph |
| Cut-height range | not specified by manufacturer |
| Fuel capacity | 49.21 L |
| Weight | 517.104 kg |
| Warranty | not specified by manufacturer |
| Commercial warranty | not specified by manufacturer |
| Deck construction | Double-layered 10-gauge plus 7-gauge formed-steel |
| Deck gauge | 10 ga |
| Spindle type | not specified by manufacturer |
| Frame construction | not specified by manufacturer |
| Anti-scalp rollers | not specified by manufacturer |
| Drive tire size | not specified by manufacturer |
| Seat type | not specified by manufacturer |
| Dealer network | not specified by manufacturer |
See the Grasshopper commercial pro hub › · Professional buying hub ›
Similar models
Other zero-turn mowers with comparable specs — including other brands — that buyers cross-shop with the 328G4 EFI.
Specs verified against the manufacturer spec sheet on Jun 6, 2026 — grasshoppermower.com.
Independent reference database. Specs compiled from manufacturer sources and normalized for comparison; verify with the manufacturer or dealer before purchase.
Source: Grasshopper (manufacturer) · archived copy