The Walker Model B27i Commercial Lawn Mower (2024)

A simplified design with improved performance

B27i Model Overview

This higher horsepower, new generation version of the Model B adds a Kohler 26.5 HP, EFI engine and includes a redesigned unitized chassis and front body. The new clamshell body makes drivetrain component access easier, and the Ogura electric clutch with Soft Start adds convenience and durability for the operator.

An oversized Donaldson 5 inch air filter is fitted with a turbine style pre-cleaner and restriction gauge to reduce maintenance intervals while providing a robust filtration system. A new rear axle design improves rough condition handling, coupled with Walker’s Comfort Seat and optional 20” drive tires, make the B27i a comfortable machine that is powerful, efficient, and ready for larger decks and difficult conditions.

With numerous deck sizes and styles, optional LED Lights, Suspension Seat, Big Tire Kit, and Utility Dump Bed, the Model B is customizable to meet the needs of the most demanding customers. Contact your local dealer to request a demo today.

Type: Non-Collection
Power: 26.5 HP
Engine: Kohler EFI
Ideal Application:
Commercial and Rural Properties
Key Attributes: Hillside Stability, Efficient, High Production
Standard Options: 18 x 8.5-10 Turf Tire, Comfort Seat

Decks:
Popular Add-ons:
36” Single-Stage Snowblower
48” Dozer Blade
Big Tire Kit

The Walker Model B27i Commercial Lawn Mower (1)Shown with optional Utility Bed and Suspension Seat

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Features

Fully Synthetic Oil

Kohler Pro 300-Hour Extended Life Oil Equipped

The Walker Model B27i Commercial Lawn Mower (3)

Agile

Be Responsive, Be Profitable

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The Walker Model B27i Commercial Lawn Mower (4)

Compact

Get Into and Out of Tight Spots

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Model B Comparison

EngineKohler CH680Kohler ECH749
Fuel SystemCarbEFI
Cooling SystemAirAir
Displacement674 cc (41.1 cu. in) cc747 cc (45.6 cu. in.) cc
Max Power22.5 HP @ 3600 RPM26.5 HP @ 3600 RPM
Max Torque36.8 ft-lbs40 ft-lbs
Fuel Capacity4.7 gal (17.8 liter)4.7 gal (17.8 liter)
SeatComfort SeatComfort Seat
Tires18 x 8.5-10 (Pneumatic 4-Ply Low-Profile)18 x 8.5-10 (Pneumatic 4-Ply Low-Profile)
Weight600 lbs (272 kg)[1]
806 lbs (368 kg)[2]
606 lbs (275 kg)[1]
812 lbs (385 kg)[3]
Dimensions39.5 in (100 cm)" H x 49 in (125 cm)" W x 90.75 in (230 cm)" L[2]39.5 in (100 cm)" H x 49 in (125 cm)" W x 90.75 in (230 cm)" L[2]

[1] Tractor only. [2] Tractor with M48 deck. [3] Tractor with M52 deck.

Model B Comparison

EngineKohler CH680Kohler ECH749
Fuel SystemCarbEFI
Cooling SystemAirAir
Displacement674 cc (41.1 cu. in) cc747 cc (45.6 cu. in.) cc
Max Power22.5 HP @ 3600 RPM26.5 HP @ 3600 RPM
Max Torque36.8 ft-lbs40 ft-lbs
Fuel Capacity4.7 gal (17.8 liter)4.7 gal (17.8 liter)
SeatComfort SeatComfort Seat
Tires18 x 8.5-10 (Pneumatic 4-Ply Low-Profile)18 x 8.5-10 (Pneumatic 4-Ply Low-Profile)
Weight600 lbs (272 kg)[1]
806 lbs (368 kg)[2]
606 lbs (275 kg)[1]
812 lbs (385 kg)[3]
Dimensions39.5 in (100 cm)" H x 49 in (125 cm)" W x 90.75 in (230 cm)" L[2]39.5 in (100 cm)" H x 49 in (125 cm)" W x 90.75 in (230 cm)" L[2]

[1] Tractor only. [2] Tractor with M48 deck. [3] Tractor with M52 deck.

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Warranty

2YEARSentire tractor

2YEARSor 2000 hours on drive system*

3YEARSengine

LEARN MORE *Gear Axle Assembly, Hydrostatic Transmissions for C, D, T and Hydrostatic Transaxles for B, H, S, R and C23i

Video

Model B27i Overview (3:24)

Model B Teaser (0:31)

Model B Intro (1:32)

Model B In-Depth (5:19)

Feature: Balance

Feature: Snow Removal

Feature: Agile

Feature: Compact

Gallery

Specifications

Engine

Manufacturer: Kohler

Model: ECH749, EFI

Displacement: 747 cc (45.6 cu. in.)

Max Power: 26.5 HP @ 3600 RPM

Governed RPM: 3600

Max Torque: 40 ft-lbs

Cooling System: Air

Fuel: Automotive Grade Unleaded Gasoline (87 Octane Minimum, 10% Ethanol Maximum)

Fuel Capacity: 4.7 gal (17.8 liter)

Electrical

Battery: 12V, 340CCA

Charging System: Flywheel Alternator

Charging Output: 20 Amp DC (Regulated)

Transmission

Manufacturer/Model: Dual, Independent Hydro-Gear® ZT3100 Integrated Transaxles

Steering: Hand Lever Control, Individual Wheel

Forward Speed Control: Precision Friction Lock Lever, Cruise Control, with Neutral-Park Position

Parking Brake: Internal Mechanical Cog Lock for each Transaxle (Single Lever Control)

Forward MPH (km/h): 0-8 MPH (0-13) Infinitely Variable

Neutral: Transmission Release by Manual Dump Valve

Blade Drive

PTO Shaft: Quick Disconnect Splined Shaft with Two (2) High-Speed U-Joints

Blade Drive Clutch and Brake: Ogura Electric Clutch with Soft Start Engagement and Mechanical Brake [Stops Blades within Five (5) Seconds of Disengagement]

Deck

Recommended Cut Width: Side Discharge: 36 to 74 in. (91 to 188 cm), Mulch: 36 to 52 in. (91 to 132 cm)

Cutting Height: 1.5 to 4 in. (4 to 10 cm) 1.5 to 4.5 in. (4 to 11.5 cm) (DS52 & DS62 Belt Driven Decks Only)

Deck Suspension: Independent Torsion-Flex Frame with Caster Wheels and Counterweight Springs

Tires

Drive: 18 x 8.50-10 (Pneumatic 4-Ply Low-Profile)

Tailwheel: 11 x 4.00-5 (Pneumatic 6-Ply)

Deck Caster: 8 x 3.00-4 (Semi-Pneumatic, All Decks Except DS52, DS62, DS74) 8 x 3.00-4 Pneumatic 4-Ply (Optional), All Decks Except DS52, DS62, DS74

Size & Weight

LENGTH

  • Tractor Only: 63 in (160 cm)
  • Tractor with M48 deck: 90.75 in (230 cm)
  • Tractor with deck tilted: 72 in (183 cm)
  • Tractor wheel base: 40 in (102 cm)

WIDTH

  • Tractor Only (Outside Tire): 38.5 in (98 cm)
  • Tractor with M48 deck: 49 in (125 cm)

HEIGHT

  • Tractor: 39.5 in (100 cm)

WEIGHT

  • Tractor Only: 606 lbs (275 kg)
  • Tractor with M48 deck: 812 lbs (385 kg)

Downloads

Product Catalog
Quick Reference Guide

The Walker Model B27i Commercial Lawn Mower (32)

B27i Flysheet (8.5"x11" | A4)

Manuals

ReleasedClassModelTypeModel S/N RangeManual P/NDownload
07/13/2023 Model-B B23 Parts 178742 - AND ON 4000-43 PDF
07/13/2023 Model-B B23 Operator's 178742 - AND ON 4000-44 PDF
05/25/2023 Model-B B27i Operator's 178742 - AND ON 4000-42 PDF
05/01/2023 Model-B B27i Parts 178742 - AND ON 4000-41 PDF
04/20/2022 Model-B B23 Parts 172949 - 178741 4000-40 PDF
03/22/2022 Model-B B23 Operator's 172949 - 178741 4000-39 PDF
01/04/2022 Model-B B27i Parts 172977 - 178741 4000-38 PDF
12/22/2021 Model-B B27i Operator's 172977 - 178741 4000-36 PDF
12/08/2021 Model-B B27i Parts 165084 - 172976 4000-37 PDF
04/26/2021 Model-B B23 Operator's 169308 - 172948 4000-35 PDF
04/23/2021 Model-B B23 Parts 169308 - 172948 4000-34 PDF
08/27/2020 Model-B B18 Operator's 161000 - 166214 4000-32 PDF
08/27/2020 Model-B B19 Operator's 161698 - 164558 4000-33 PDF
04/23/2020 Model-B B27i Parts 162292 - 165083 4000-27 PDF
04/01/2020 Model-B B27i Operator's 162292 - 172976 4000-28 PDF
03/31/2020 Model-B B18 Parts 157301 - 166214 4000-31 PDF
03/26/2020 Model-B B19 Parts 152272 - 164558 4000-30 PDF
02/05/2020 Model-B B23i Parts 149239 - 163226 4000-29 PDF
06/25/2019 Model-B B18 Operator's 151820 - 161000 4000-24 PDF
05/23/2019 Model-B B19 Operator's 155209 - 161697 4000-25 PDF
12/14/2018 Model-B B18 Parts 151820 - 157300 4000-26 PDF
09/25/2018 Model-B B23i Operator's 154037 - 163226 4000-23 PDF
02/16/2018 Model-B B19 Parts 149239 - 152271 4000-22 PDF
02/07/2018 Model-B B23i Parts 146779 - 149238 4000-21 PDF
11/22/2017 Model-B B19 Operator's 134381 - 155208 4000-19 PDF
11/10/2017 Model-B B18 Operator's 133002- 151819 4000-18 PDF
10/09/2017 Model-B B18 Parts 133002 - 151819 4000-20 PDF
12/15/2016 Model-B B19 Parts 137381 - 149238 4000-16 PDF
01/14/2016 Model-B B23i Operator's 124998 - 133533 4000-14 PDF
12/21/2015 Model-B B25p Operator's 133534 - AND ON 4000-13 PDF
12/21/2015 Model-B B18 Operator's 125166 - 133001 4000-11 PDF
04/01/2015 Model-B B23i Parts 133534 - 146778 4000-15 PDF
04/01/2015 Model-B B23i Operator's 133534 - 154036 4000-17 PDF
04/01/2015 Model-B B25p Operator's 130000 - 133534 4000-9 PDF
02/07/2014 Model-B B18 Parts 125166 - 133001 4000-10 PDF
10/23/2013 Model-B B25p Parts 126729 - AND ON 4000-8 PDF
10/01/2013 Model-B B19 Parts 124800 - 137380 4000-7 PDF
10/01/2013 Model-B B19 Operator's 124800 - 137380 4000-12 PDF
4/20/2012 Model-B MBK23 Operator's 116942 - 124997 4000-5 PDF
4/20/2012 Model-B MBK23 Parts 116942 - 124997 4000-6 PDF
04/01/2010 Model-B MB Operator's & Parts 104436 - 124799 4000-4 PDF
09/01/2008 Model-B MB Operator's & Parts 96431 - 104435 4000-3S PDF
09/01/2006 Model-B MB Operator's & Parts 85248 - 96430 4000-3 PDF
12/15/2005 Model-B MB Operator's & Parts 79432 - 85247 4000-2 PDF
10/01/2004 Model-B MB Operator's & Parts 68441 - 79431 4000-1 PDF

The Walker Model B27i Commercial Lawn Mower (2024)

FAQs

Are commercial walk behind mowers worth it? ›

The general rule of thumb is, if you can complete the job in under 40 minutes, a self-propelled walk behind is every bit as efficient as a zero turn and often more so. This is especially true if you will be using your mower for commercial work.

How many hours do Walker mowers last? ›

For liquid-cooled engines, he uses 150 as the multiplier. Says Emmett, “If your Walker Mower is powered by 23-hp engine, it should go approximately 2,300 hours before the engine needs replacing. This is long before the machine's lifecycle is up.

How long should a commercial lawn mower last? ›

PenningsLandscaping: Maintain the mower and put about 2,000 hours on it, then sell it and buy a new one if you don't want to dump money into it. Two thousand hours is generally the number you'll hit without any major repairs. One guy hit 7,000 on a Ferris when another guy's Exmark only hit half of that.

What is the difference between a commercial lawn mower and a regular lawn mower? ›

The faster the mower blade spins, the cleaner the cut. Commercial mower blades can turn at speeds between 2700 to 3200 rpm, which makes them about 2-3 times faster than residential blades. That speed allows them to power through tall, thick grass and leave behind an even cut.

How many hours is too much for a commercial mower? ›

The answer depends on how well maintained the mower is, and the make and the price of it. It's reasonable to assume that any commercial quality mower will give good service for a thousand to two thousand hours, meaning hardly any breakdowns, and only routine replacement parts and service being needed.

What lawn mower do professionals use? ›

Recommended Commercial Push Mowers: The 30-inch Toro TurfMaster HDX and Exmark Commercial 30 X Series are reliable and competitively priced mowers that will save you a LOT of mow time. For smaller yards or yards with access/obstruction issues, Toro and Exmark also offer commercial 21-inch models. What is this?

What's so good about Walker mowers? ›

With a machine weight substantially less than competitive mowers, the Walker will mow with less turf compaction and without flattening the grass, thus protecting the ground surface and those beautiful lawns.

What engines do Walker mowers use? ›

Whether you are looking for agility, versatiliy or overall size, we have a mower that will suit your need.
  • Power: 18 HP. Engine: Briggs & Stratton Carb. Ideal Application: Residential. ...
  • Power: 19 HP. Engine: Kohler Carb. Ideal Application: ...
  • Power: 19 HP. Engine: Kohler EFI. Ideal Application: ...
  • Power: 23 HP. Engine: Kohler Carb.

How often should you change blades on commercial mower? ›

Blade erosion can happen over time due to yard debris, so be sure sure to inspect the thickness of the mower blade. For the average homeowner, a good rule of thumb is to replace your mower blades annually. Sharpening mower blades on a regular basis will prolong the life of your blades.

Why are commercial lawn mowers so loud? ›

Engine lawn mowers are generally loud because they use combustion engines that burn oxygen and fuel to create a small explosion.

Is 500 hours a lot for a lawn mower? ›

How Many Hours Should A Riding Mower Last? Most riding mowers last between 500-700 hours, although some can run for as much as 1,000 hours if cared for and maintained properly.

What makes a lawnmower commercial grade? ›

Commercial riding mowers usually have a zero-turn radius, meaning they can turn on a dime without leaving uncut grass. They are also equipped with powerful engines, wide cutting decks, and durable blades that can handle the tough job of cutting thick grass and weeds.

Are battery mowers good for commercial use? ›

Pros of Electric Commercial Lawn Mowers. Battery-powered, or electric, lawn mowers offer several benefits for the commercial landscaper. Everything from lower sound to fewer maintenance costs make electric mowers a good choice for your business.

How fast do commercial lawn mowers go? ›

The type of lawnmower: The average, common lawn mower speed is 3 mph for a push mower, 3–5 mph for a lawn tractor, and 7–13 mph for a commercial stand-on mower. Your speed in mowing: Some clients may not consider this factor so much, but it is important for them to consider it.

What is the life expectancy of a walk-behind mower? ›

The average residential mower is used for 1-2 hours per mow with 35 cuts per year. Based on that usage, a lower-quality line of residential mowers is expected to last 450-500 hours, while a John Deere residential lawn mower will last around 1,000-1,500 hours.

Do I need a commercial grade zero-turn mower? ›

Time-Saving: If you spend hours mowing your lawn weekly and have more than an acre to cover, a commercial zero-turn mower can significantly reduce mowing time. Terrain Challenges: For hilly or difficult landscapes, a commercial lawnmower ensures safe and efficient mowing without straining yourself.

What makes a mower commercial grade? ›

Commercial mowers are designed for mowing 2-20 times a day or running for 12 hrs straight vs a residential mower being designed for 1-2 mows per week and running 6 hrs or less per mow. Commercial mowers are also designed with greater speed to increase productivity.

Which type of commercially available mower makes the cleanest cut? ›

Final answer: Reel mowers provide the cleanest cut on turfgrass, especially for heights of 1 inch or lower. A sharp blade is essential for a clean cut, and leaving grass clippings on the lawn serves as free fertilizer.

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