Exmark Lazer Z X-Series (LRX 72" 921)
Commercial mower · Model LRX921GKA726Q1 · Commercial-duty · Gas
The Exmark Lazer Z X-Series (LRX 72 in 921) is a commercial-grade gas commercial mower, built for daily commercial mowing, with a 72-inch deck and a 999cc engine making 31 hp. It weighs 1304 lb (591.5 kg).
At a glance
Engine
| Power Source | gas |
|---|---|
| Engine Make | Kawasaki FX921V |
| Displacement | 61 ci (999 cc) |
| Engine Power | 31 hp |
Deck
| Cutting Width | 72 in (1829 mm) |
|---|---|
| Deck Material | 10-gauge top, 7-gauge side skirt steel |
| Deck Gauge | 10 |
| Max Cut Height | 5.5 in (140 mm) |
| Min Cut Height | 1 in (25 mm) |
Drive
| Ground Speed | 11.5 mph |
|---|
Dimensions
| Weight | 1304 lbs (591.5 kg) |
|---|---|
| Fuel Capacity | 12 gal (45.4 L) |
| Length | 86.1 in (2187 mm) |
| Width | 84.9 in (2156 mm) |
| Height | 70.5 in (1791 mm) |
Professional use
How the Lazer Z X-Series (LRX 72 in 921) 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 | 72 in |
|---|---|
| Engine make | Kawasaki FX921V |
| Engine displacement | 999 cc |
| Engine power | 31 hp |
| Transmission | not specified by manufacturer |
| Drive type | not specified by manufacturer |
| Ground speed | 11.5 mph |
| Cut-height range | 25 mm – 140 mm |
| Fuel capacity | 45.42 L |
| Weight | 591.48 kg |
| Warranty | not specified by manufacturer |
| Commercial warranty | not specified by manufacturer |
| Deck construction | 10-gauge top, 7-gauge side skirt 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 |
Head-to-head: vs Ferris ISX 3300 Zero Turn Mowers (72 in / 5902145)
See the Exmark commercial pro hub › · Professional buying hub ›
Similar models
Other commercial mowers with comparable specs — including other brands — that buyers cross-shop with the Lazer Z X-Series (LRX 72 in 921).
Specs verified against the retailer listing on Jun 6, 2026 — altmantractor.com.
Independent reference database. Specs compiled from manufacturer sources and normalized for comparison; verify with the manufacturer or dealer before purchase.
Source: Exmark (manufacturer) · archived copy