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Walk-Behind Mower

A walk-behind mower is a ground-following lawn mower guided by an operator walking behind the machine. These machines range from compact 21 in residential push models to wide-area commercial units exceeding 48 in, serving professional landscaping crews, municipal grounds maintenance, and property management operations.

Modèles

21 to 48 in (46 to 1,219 mm)

Cutting Width

Marques

Cat classes

Choisissez une classe de taille — la capacité et la portée varient selon la gamme.

Fonctionnement

The engine or electric motor drives one or more horizontal rotating blades beneath a fabricated steel deck. Blade speeds typically operate between 2,700 and 3,200 rpm to create airflow that lifts grass into the cutting path and discharges clippings through side, rear, or mulching discharge systems. On self-propelled models, power is transmitted to the drive wheels through belt, gear, or hydrostatic systems controlled at the operator handle. Cutting height is adjusted via deck lift mechanisms, wheel position levers, or individual wheel spacers depending on model design. Hydrostatic models use variable-displacement pumps and wheel motors for infinite speed control and individual wheel drive on dual-hydro configurations, allowing zero-radius turns and enhanced slope control.

Types et variantes

Push Mower: Operator provides forward motion; lightest weight and simplest design, typically 21 in residential class.
Self-Propelled Mower: Belt or gear-driven transmission powers the wheels; available in single-speed, variable-speed, and hydrostatic configurations.
Hydrostatic Walk-Behind: Hydraulic drive system with infinite ground speed control; dual-hydro models offer independent wheel drive for commercial productivity.
Wide-Area Mower: Decks from 30 to 48+ in designed for commercial efficiency on large turf areas while maintaining gate access.
Electric Walk-Behind: Battery or corded electric power eliminates emissions for noise-sensitive or indoor applications like indoor sports facilities.

Spécifications clés

Spécification	Plage typique	Signification
Cutting Width	21 to 48 in (46 to 1,219 mm)	Primary sizing dimension; determines productivity and gate/access compatibility.
Engine Power	12.7 to 23.3 hp	Higher horsepower supports wider decks, tougher grasses, and sustained commercial operation.
Operating Weight	28 to 435 kg (62 to 959 lb)	Affects maneuverability, transport requirements, and slope stability.
Blade Speed	2,700 to 3,200 rpm	Determines cut quality and discharge efficiency across turf conditions.

Comment l'industrie le dimensionne

The industry sizes walk-behind mowers by cutting width measured in inches. The 21 in class represents residential and trim work around landscape beds and fences. Models from 22 to 32 in provide wide-area productivity while fitting through standard 36 in gates. The 32 to 48 in hydrostatic walk-behinds address large lawns, slopes, and banks where riding mowers cannot safely operate. Units above 48 in serve commercial crews mowing open turf and hillsides throughout the workday, offering maximum productivity within the walk-behind format.

Applications

Residential lawn maintenance and property upkeep
Commercial landscaping and grounds maintenance contracts
Municipal park and athletic field perimeter mowing
Slope and hillside mowing where riding equipment presents rollover risk
Trim work around landscape beds, fences, and hardscape features
Estate and large property maintenance requiring gate access

Sécurité et opération

Blade brake clutch systems or engine kill switches stop blade rotation within seconds of operator handle release.
Slope operation limits typically range from 15 to 20 degrees depending on model; exceed manufacturer specifications increases rollover and loss-of-control risk.
Debris discharge can project objects at high velocity; maintain awareness of bystanders, windows, and parked vehicles in the discharge path.
Hearing protection recommended for prolonged operation; gasoline models typically exceed 85 dBA at operator position.
Refueling and blade maintenance require engine shutdown and spark plug disconnection to prevent accidental starts.

Normes et certifications

ANSI · ANSI/OPEI B71.1: Consumer turf care equipment safety standard covering blade brake performance and operator presence controls.
ANSI · ANSI/OPEI B71.4: Commercial turf care equipment safety requirements for professional-grade walk-behind mowers.
EPA · Tier emissions standards: Small off-road engines subject to EPA emissions certification; many commercial models meet CARB standards for California use.
OSHA · 29 CFR 1910.266: General industry standards apply to commercial operators including PPE, hearing conservation, and machine guarding.

Questions fréquentes

What distinguishes a commercial walk-behind from a residential model?

Commercial models feature heavier-gauge fabricated decks, larger displacement engines, sealed bearing systems, hydrostatic or commercial-grade transmissions, and operator hour meters. Residential models use stamped decks, smaller engines, and simpler belt-driven or push configurations optimized for intermittent homeowner use.

How does cutting width affect productivity?

A 32 in walk-behind covers approximately 50% more area per hour than a 21 in model at the same ground speed. Wide-area models from 36 to 48 in can double or triple productivity compared to residential widths, though maneuverability and transport requirements increase proportionally.

What advantage does hydrostatic drive provide over belt drive?

Hydrostatic systems offer infinite ground speed control without clutching or shifting, independent wheel speed for zero-radius turns on dual-hydro models, and enhanced slope control through dynamic braking. Belt-driven models provide simpler mechanical systems with lower initial cost and straightforward field maintenance.

What slope limits apply to walk-behind mowers?

Most manufacturers specify maximum slope ratings between 15 and 20 degrees, with specific limits varying by model weight distribution, wheelbase, and drive configuration. Slopes exceeding these limits should be mowed across the face rather than up-and-down to reduce rollover risk, or addressed with specialized slope mowing equipment.

Comparer les modèles populaires

Chercher par spécification →

Normalisé aux mêmes unités. Un tiret signifie que la valeur n'a pas été publiée.

Modèle	Puissance moteur	Poids en service	Capacité de carburant
Kubota GR2020G	20 hp	882 lb (400 kg)	-
Stihl RMA 448 V (Unit Only)	-	66.1 lb (30 kg)	-
Stihl RMA 460 V Set	-	61.7 lb (28 kg)	-
Kubota GR2120	17 hp	959 lb (435 kg)	-
Stihl RMA 453 PV Set	-	75.0 lb (34 kg)	-