Exmark Commercial 21 X-Series (ECX180 BBC)
Commercial mower · Model ECX180GKA210BC · Commercial-duty · Gas
$1,999 Exmark list price
Manufacturer list price only — it excludes tax, freight, dealer setup and any local discount, and dealers set the final price.
- Mows an acre in 120 min (84 at top speed) How long for your yard? ›
- How these are worked out ›
The Exmark Commercial 21 X-Series (ECX180 BBC) is a commercial-grade gas commercial mower, built for daily commercial mowing, with a 21-inch deck and a 179cc engine making 4.5 hp. It weighs 117 lb (53.1 kg).
At a glance
Compare similar mowers See how this mower compares with machines of a similar size and purpose.
Few close matches: the list also allows a wider deck range, other duty classes and discontinued models, each labelled.
Chosen by stated rules, not opinion: same class, a deck within 8 in of this one, the same kind of power and a compatible duty class, then the closest power, weight and price, with other makers preferred. Figures are the manufacturers’ published ones; nothing is estimated.
Engine
| Power Source | gas |
|---|---|
| Engine Make | Kawasaki FJ180V |
| Displacement | 10.9 ci (179 cc) |
| Engine Power | 4.5 hp |
Deck
| Cutting Width | 21 in (533 mm) |
|---|---|
| Deck Material | die-cast aluminum |
| Max Cut Height | 4.5 in (114 mm) |
| Min Cut Height | 1 in (25 mm) |
Drive
| Ground Speed | 4.2 mph |
|---|
Dimensions
| Weight | 117 lbs (53.1 kg) |
|---|---|
| Fuel Capacity | 1 gal (3.8 L) |
| Length | 63 in (1600 mm) |
| Width | 22 in (559 mm) |
| Height | 38 in (965 mm) |
Professional use
How the Commercial 21 X-Series (ECX180 BBC) 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 | 21 in |
|---|---|
| Engine make | Kawasaki FJ180V |
| Engine displacement | 179 cc |
| Engine power | 4.5 hp |
| Ground speed | 4.2 mph |
| Cut-height range | 25 mm – 114 mm |
| Fuel capacity | 3.8 L |
| Weight | 53.1 kg |
| Deck construction | die-cast aluminum |
Exmark doesn’t publish 10 of these for the Commercial 21 X-Series (ECX180 BBC): transmission, drive type, warranty, commercial warranty, deck gauge, spindle type, frame construction, anti-scalp rollers, drive tire size, seat type.
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 Commercial 21 X-Series (ECX180 BBC).
Specs verified against the manufacturer spec sheet on Jun 6, 2026 — exmark.com.
See every mower with a Kawasaki engine ›
What the parts on this spec sheet mean
Other Exmark Commercial 21 X-Series models › 2 more in this range: Commercial 21 X-Series (ECX160), Commercial 21 X-Series (ECX180)
See all Exmark mowers and specs ›
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Independent reference database. Specs compiled from manufacturer sources and normalized for comparison; verify with the manufacturer or dealer before purchase.
What the specs work out to
Figures MowerFacts computes from Exmark’s own numbers — not published by the manufacturer.
Mowing time
- ¼ acre30 min 21 min
- ½ acre1 h 42 min
- 1 acre2 h 1 h 24 min
- 2 acres4 h 1 min 2 h 48 min
About 120 min per acre at 0.5 acres/hour, mowing at 2.9 mph. The second figure is at the published 4.2 mph top speed (0.71 acres/hour) — faster than anyone really mows. About 0.5 acres per tank.
Gate & trailer fit
- 32 in gateFits
- 36 in gateFits
- 48 in gateFits
Needs at least 23 in of clearance.
Power & run time
- Power per deck inch0.214 hp/in
- Run time per tank~1.0 h
Mowing times assume 0.5 acres/hour: deck width x 2.9 mph at 80% efficiency, which allows for overlap, turns and trimming. 2.9 mph is 70% of the 4.2 mph top speed Exmark publishes - almost nobody mows flat out. The "at top speed" figure is the same sum at 4.2 mph, shown so you can see it.
Fit uses Exmark's published overall width.
Run time assumes a typical 1 gal/hour burn at working load; real consumption varies with engine, load and cut.
Exmark Commercial 21 X-Series (ECX180 BBC) questions
What size deck is on the Exmark Commercial 21 X-Series (ECX180 BBC)?
The Exmark Commercial 21 X-Series (ECX180 BBC) has a 21-inch (533 mm) cutting deck with die-cast aluminum construction.
What engine is in the Exmark Commercial 21 X-Series (ECX180 BBC)?
The Exmark Commercial 21 X-Series (ECX180 BBC) is powered by a Kawasaki FJ180V, 179 cc, 4.5 hp. Horsepower is the manufacturer's own rating.
How much does the Exmark Commercial 21 X-Series (ECX180 BBC) weigh?
The Exmark Commercial 21 X-Series (ECX180 BBC) weighs 117 lb (53.1 kg) as specified by Exmark.
How fast is the Exmark Commercial 21 X-Series (ECX180 BBC)?
Top ground speed is 4.2 mph. With its 21-inch deck that works out to about 0.71 acres per hour at 80% efficiency — allowing for overlap, turns and trimming.
How long does the Exmark Commercial 21 X-Series (ECX180 BBC) take to mow an acre?
About 1 h 25 min per acre, from its 21-inch deck at 4.2 mph and 80% efficiency — roughly 0.71 acres an hour, so five acres is about 7 h 3 min. Rough or obstacle-heavy ground takes longer; this is deck width times ground speed, not a timed test.
How big is the fuel tank on the Exmark Commercial 21 X-Series (ECX180 BBC)?
The Exmark Commercial 21 X-Series (ECX180 BBC) holds 1 gal (3.8 L) of fuel.
How much does the Exmark Commercial 21 X-Series (ECX180 BBC) cost?
Exmark's published list price is $1,999, checked 23 October 2026. That excludes tax, freight, dealer setup and any local discount — dealers set the final price.
What is the Exmark Commercial 21 X-Series (ECX180 BBC) built for?
Commercial-duty commercial mower. Built for daily, paid commercial use.
Source: Exmark (manufacturer) · archived copy