Model B18

Beautiful, productive mowing in a compact package

B18 Model Overview

The productive B18 does its best work in tight spaces and on hillsides but is also at home on flat, wide open turf. Using Walker add-ons will keep it busy all year long at home or in commercial work. 

Type: Non-Collection
Power: 18 HP
Engine: Briggs & Stratton
Ideal Application: Residential Properties
Key Attributes: Hillside Stability, Compact, Agile
Decks: 5 Discharge, 5 Mulching
Popular Add-ons:
36” Single-Stage Snowblower
48” Dozer Blade
Boom Sprayer
Dethatcher

B18-overview

Key Attributes

Balance

Low Center of Gravity

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Agile

Be Responsive, Be Profitable

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Compact

Get Into and Out of Tight Spots

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Model B Comparison

 

  B18 B19 B23i B25p
Engine Briggs Vanguard V-Twin Kohler CH621 Kohler ECH730 Kohler PCH740
Fuel System Carb Carb EFI Propane EFI
Cooling System Air Air Air Air
Displacement 570 cc 674 cc 747 cc 747 cc
Max Power 18 HP at 3600 RPM 19 HP at 3600 RPM 23 HP at 3600 RPM 25 HP at 3600 RPM
Max Torque 29.5 ft-lbs 35 ft-lbs 38.1 ft-lbs 39 ft-lbs
Fuel Capacity 4 gal (15.14 liter) 4 gal (15.14 liter) 4.7 gal (17.8 liter) 7.9 gal or 33 lb (29.9 liter or 15 kg)
Weight 572 lbs[1]
778 lbs[2]
586 lbs[1]
792 lbs[2]
594 lbs[1]
800 lbs[2]
625 lbs[1]
831 lbs[2]
Dimensions 39.5"H x 49"W x 82"L[2] 39.5"H x 49"W x 90.75"L[2] 39.5"H x 49"W x 90.75"L[2] 42.75"H x 49"W x 90.75"L[2]

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

Own A B18

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Video

 

Model B Overview

 

Feature: Balance

 

Feature: Agile

 

Feature: Compact

 

Feature: Snow Removal

Gallery

Compatibility

Decks

Attachments

Specifications

Engine

Manufacturer: Briggs & Stratton

Model: Vanguard, 2 Cyl. OHV

Displacement: 570 cc (34.8 cu. in.)

Max Power: 18 HP at 3600 RPM

Governed RPM: 3650

Max Torque: 29.5 ft-lbs

Cooling System: Air

Fuel: 87 Octane Min. 10% Ethanol Max.

Fuel Capacity: 4.0 gal (15.1 liter)

Electrical

Battery: 12 Volt, 300 CCA

Charging System: Flywheel Alternator

Charging Output: 16 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

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

Neutral: Transmission Release by Manual Dump Valve

Blade Drive

PTO Shaft: Sliding Spline Shaft with Two (2) High-Speed U-Joints

Blade Drive Clutch and Brake: Manual Belt Tightener Clutch and Band Brake

Deck

  • Side Discharge in. (cm): 36 to 48, and 56 (97 to 122, and 142)
  • Mulch in. (cm): 36 to 48 (97 to 122)

 

Cutting Height in. (cm): 1 to 4 (2.5 to 10)

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

Tires

Drive: 18x8.50-10 Pneumatic 4-Ply

Tailwheel: 11x4.00-5 Pneumatic 4-Ply

Deck Caster: 8x3.00-4 Semi-Pneumatic No-Flat

Size & Weight

LENGTH

  • Tractor Only: 62.5 in (159 cm)
  • Tractor with M48 deck: 82 in (206 cm)
  • Tractor with deck tilted: 72 in (183 cm)
  • Tractor wheel base: 40 in (102 cm)

WIDTH

  • Tractor Only (Outside Tire): 38 in (97 cm)
  • Tractor with M48 deck: 49 in (125 cm)

HEIGHT

  • Tractor: 39.5 in (100 cm)

WEIGHT

  • Tractor Only: 572 lb (260 kg)
  • Tractor with M48 deck: 778 lb (352 kg)

Downloads

Brochures

Specification Sheets

Manuals

Released Class Model Type Model S/N Range Manual P/N Download
04/01/2015 B-Series Mower B23i Parts 133534 - CURRENT 4000-15 PDF
01/14/2016 B-Series Mower B23i Owner's 124998 - CURRENT 4000-14 PDF
12/21/2015 B-Series Mower B25p Owner's 133534 - CURRENT 4000-13 PDF
12/21/2015 B-Series Mower B18 Owners 125166 - CURRENT 4000-11 PDF
02/07/2014 B-Series Mower B18 Parts 125166 - CURRENT 4000-10 PDF
10/23/2013 B-Series Mower B25p Parts 126729 - CURRENT 4000-8 PDF
10/01/2013 B-Series Mower B19 Parts 124800 - CURRENT 4000-7 PDF
10/01/2013 B-Series Mower B19 Owner's 124800 - CURRENT 4000-12 PDF
04/01/2015 B-Series Mower B25p Owner's 130000 - 133534 4000-9 PDF
4/20/2012 B-Series Mower MBK23 Owner 116942 - 124997 4000-5 PDF
4/20/2012 B-Series Mower MBK23 Parts 116942 - 124997 4000-6 PDF
4/01/2010 B-Series Mower MB Owner & Parts 104436 - 124799 4000-4 PDF
9/01/2008 B-Series Mower MB Owner & Parts 96431 - 104435 4000-3S PDF
9/01/2006 B-Series Mower MB Owner & Parts 85248 - 96430 4000-3 PDF
12/15/2005 B-Series Mower MB Owner & Parts 79432 - 85247 4000-2 PDF
10/01/2004 B-Series Mower MB Owner & Parts 68441 - 79431 4000-1 PDF