Model B27i

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

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

B23i-overviewShown with optional Utility Bed and Suspension Seat


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Key Attributes


Fully Synthetic Oil

Kohler Pro 300-Hour Extended Life Oil Equipped

Key Features - Agile


Be Responsive, Be Profitable

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Key Features - Compact


Get Into and Out of Tight Spots

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Model B Comparison


  B23 B27i
Engine Kohler CH680 Kohler ECH749
Fuel System Carb EFI
Cooling System Air Air
Displacement 674 cc (41.1 cu. in) cc 747 cc (45.6 cu. in.) cc
Max Power 22.5 HP @ 3600 RPM 26.5 HP @ 3600 RPM
Max Torque 36.8 ft-lbs 40 ft-lbs
Fuel Capacity 4.7 gal (17.8 liter) 4.7 gal (17.8 liter)
Seat Comfort Seat Comfort Seat
Tires 18 x 8.5-10 (Pneumatic 4-Ply Low-Profile) 18 x 8.5-10 (Pneumatic 4-Ply Low-Profile)
Weight 610 lbs (277 kg)[1]
848 lbs (385 kg)[2]
610 lbs (277 kg)[1]
848 lbs (385 kg)[3]
Dimensions 39.5 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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2YEARSentire tractor
2YEARSor 2000 hours on drive system*
LEARN MORE *Gear Axle Assembly, Hydrostatic Transmissions for C, D, T and Hydrostatic Transaxles for B, H, S, R



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



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)


Battery: 12V, 340CCA

Charging System: Flywheel Alternator

Charging Output: 20 Amp DC (Regulated)


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]


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


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


  • 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)


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


  • Tractor: 39.5 in (100 cm)


  • Tractor Only: 610 lbs (277 kg)
  • Tractor with M48 deck: 848 lbs (385 kg)



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