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Model B27i

A simplified design with improved performance

B27i Model Overview

This higher horsepower 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 find out when the B27i will be available in your area.

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

 
B23i-overview
 

 

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Key Attributes

Key Features - Balance

Balance

Low Center of Gravity

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Key Features - Agile

Agile

Be Responsive, Be Profitable

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Key Features - Compact

Compact

Get Into and Out of Tight Spots

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Model B Comparison

 

  B18 B19 B23i B27i
Engine Briggs Vanguard V-Twin Kohler CH620 Kohler ECH730 Kohler ECH749
Fuel System Carb Carb EFI EFI
Cooling System Air Air Air Air
Displacement 570 cc (34.8 cu. in.) cc 674 cc (41.1 cu. in.) cc 747 cc (45.6 cu. in.) cc 747 cc (45.6 cu. in.) cc
Max Power 18 HP @ 3600 RPM 19 HP @ 3600 RPM 23 HP @ 3600 RPM 26.5 HP @ 3600 RPM
Max Torque 29.5 ft-lbs 35 ft-lbs 38.1 ft-lbs 40 ft-lbs
Fuel Capacity 4 gal (15.1 liter) 4 gal (15.1 liter) 4.7 gal (17.8 liter) 4.7 gal (17.8 liter)
Seat Standard Seat Standard Seat Comfort Seat Comfort Seat
Tires 18 x 8.5-8 Turf Tire 18 x 8.5-8 Turf Tire 18 x 8.5-8 Turf Tire 18 x 8.50-10 (Pneumatic 4-Ply Low-Profile)
Weight 584 lbs (265 kg)[1]
790 lbs (358 kg)[2]
583 lbs (264 kg)[1]
789 lbs (358 kg)[2]
588 lbs (267 kg)[1]
797 lbs (362 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 90.25 in (229 cm)" L[2] 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] 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

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

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

Downloads

Manuals

Released Class Model Type Model S/N Range Manual P/N Download
04/23/2020 Model-B B27i Parts 162292 - AND ON 4000-27 PDF
04/01/2020 Model-B B27i Operator's 162292 - AND ON 4000-28 PDF
03/31/2020 Model-B B18 Parts 157301 - AND ON 4000-31 PDF
03/26/2020 Model-B B19 Parts 152272 - AND ON 4000-30 PDF
02/05/2020 Model-B B23i Parts 149239 - AND ON 4000-29 PDF
06/25/2019 Model-B B18 Operator's 151820 - AND ON 4000-24 PDF
05/23/2019 Model-B B19 Operator's 155209 - AND ON 4000-25 PDF
12/14/2018 Model-B B18 Parts 151820 - 157300 4000-26 PDF
09/25/2018 Model-B B23i Operator's 154037 - AND ON 4000-23 PDF
02/16/2018 Model-B B19 Parts 149239 - 152271 4000-22 PDF
02/07/2018 Model-B B23i Parts 146779 - AND ON 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