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Archived source page — Walker Walker Model H38i

Archived copy of https://www.walker.com/models/H38i as of July 20, 2026 — for reference only; visit the manufacturer for current specs.

This is a sanitized, script-free snapshot stored by MowerFacts for provenance. Content and trademarks belong to Walker (walker.com). MowerFacts is an independent reference site and is not affiliated with the manufacturer.

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Model H38i

The most powerful Walker ever

H38i Model Overview

The H38i is the most powerful Walker Mower featuring 38 horsepower, Delphi® fuel injection, and impressive torque. This machine is capable of operating all of Walker's biggest decks and attachments with ease. The H38i features a rear axle for superior handling at high speeds on rough ground. This, along with a 4-way adjustable Grammer suspension seat, provides personalized comfort keeping you productive on long days. 

Type: Non-Collection
Power: 38 HP
Engine: Kohler EFI Big Block
Ideal Application: 
Commercial, Rural, and Large Properties, Field Cutting
Key Attributes: Efficient, Powerful, High Production
Decks:
Popular Add-ons:
Implement Hitch
50” Two-Stage Snowblower
60” Dozer Blade
Operator Hard Cab

 
H38i-overview
 

 

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Features

Key Attributes - Balance

Balance

Low Center of Gravity

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Versatility-Snow

Versatility

Year-Round Productivity

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Features-Precise

Precise

Easy and Responsive Steering

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H38i Comparison

 

  H24d H27i H38i
Engine Rehlko KDW1003 Rehlko ECH749 Rehlko ECH980
Fuel System Diesel EFI EFI
Cooling System Liquid & radiator Air Air
Displacement 1028 cc (62.7 cu. in.) cc 747 cc (45.6 cu. in.) cc 999 cc (61 cu. in.) cc
Max Power 23.7 HP @ 3600 RPM 26.5 HP @ 3600 RPM 38 HP @ 3600 RPM
Max Torque  36.8 ft-lbs 40 ft-lbs 58 ft-lbs
Fuel Capacity 9.4 gal (35.6 liter) Two Independent 4.7 Gallon Tanks with Selector Valve 9.4 gal (35.6 liter) Two Independent 4.7 Gallon Tanks with Selector Valve 9.4 gal (35.6 liter) Two Independent 4.7 Gallon Tanks with Selector Valve
Seat Suspension Seat Suspension Seat Suspension Seat
Tires 23 x 10.5-12 AT Tire 23 x 10.5-12 AT Tire 23 x 10.5-12 AT Tire
Weight 997 lbs (452 kg)[1]
1434 lbs (650 kg)[2]		 748 lbs (340 kg)[1]
1185 lbs (537 kg)[2]		 808 lbs (366.5 kg)[1]
1239 lbs (562 kg)[2]
Dimensions 51.25 in (130 cm) H* x 66 in (168 cm) W x 107.75 in (273.7 cm) L[2] 47.25 in (120 cm) H x 66 in (168 cm) W x 107.75 in (273.7 cm) L[2] 46.5 in (118 cm) H x 66 in (168 cm) W x 107 in (272 cm) L[2]

[1] Tractor only. [2] Tractor with R64 deck. * ROPS folded.

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Warranty

2YEARSentire tractor
3YEARSor 3000 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 H
Teaser [0:30]

 

Model H
Introduction [1:52]

 

Model H
In-Depth [5:11]

 

High Production Mowing

 

Feature: Productive

 

Feature: Responsive

 

Feature: Balance

 

Feature: Snow Removal

Gallery

H38i Left Open
H38i Left Tilt
H38i Left
H38i Front Left
H38i Front
H38i Front Right
H38i Right Open
H38i Right Tilt
H38i Right
H38i Rear Left
H37i R64 Rear
H37i Rear Right
H38i Action 1
H38i Action 2
H38i Action 3
H38i Action 4
H38i Action 7
H38i Action 6
H38i Action 8
H38i Action 10
H38i Action 11
H38i Action 13
H38i Action 14
H38i Action 16
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Specifications

Engine

Manufacturer: Rehlko

Model: Command Pro® ECH980, 2 Cyl., OHV, Gasoline (Air-Cooled), Electronic Fuel Injection (EFI)

Displacement: 999 cc (61 cu. in.)

Max Power: 38 HP @ 3600 RPM

Max Torque: 58 ft-lbs

Oil Filter: Kohler P/N 52 050 02

Cooling System: Air

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

Fuel Capacity: 9.4 gal (35.6 liter) Two Independent 4.7 Gallon Tanks with Selector Valve

Electrical

Battery: 12V, 340CCA

Charging System: Flywheel Alternator

Charging Output: 25 Amp DC (Regulated)

Transmission

Manufacturer/Model: Dual Independent Hydro-Gear ZT3400 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): 0-10 MPH (0-16 km/h) Infinitely Variable

Neutral: Transaxle 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: Manual Belt Tightener Clutch and Band Brake [Stops Blades within Five (5) Seconds of Disengagement]

Deck

Recommended Cut Width: Side Discharge: 60 in. (152 cm), Rear Discharge: 52 to 64 in. (132 to 163 cm)

Cutting Height: 1 to 5 in (2.5 to 13 cm) in 1/4 in (1 cm) Increments, 17 Positions

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

Tires

Drive: 23 x 10.5-12

Tailwheel: 13 x 5.00-6 (Pneumatic 4-Ply)

Deck Caster: 13 x 5.00-6 (Pneumatic 4-Ply)

Size & Weight

LENGTH

  • Tractor Only: 69 in (175 cm)
  • Tractor with R64 deck: 107 in (272 cm)
  • Tractor with deck tilted: 87.75 in (223 cm)
  • Tractor wheel base: 45.25 in (115 cm)

WIDTH

  • Tractor Only (Outside Tire): 46.5 in (118 cm)
  • Tractor with R64 deck: 66 in (168 cm)
  • Tread Width: 36.5 in (93 cm)

HEIGHT

  • Tractor: 46.5 in (118 cm)

WEIGHT

  • Tractor Only: 808 lbs (366.5 kg)
  • Tractor with R64 deck: 1239 lbs (562 kg)

Downloads

Manuals

Released Class Model Type Model S/N Range Manual P/N Download
07/01/2026 Model-H H24d Parts 194234 - AND ON 2000-57 PDF
03/09/2026 Model-H H38i Operator's 183326 - AND ON 2000-54 PDF
02/24/2026 Model-H H38i Parts 190349 - AND ON 2000-55 PDF
02/24/2026 Model-H H27i Parts 193250 - AND ON 2000-56 PDF
04/30/2025 Model-H H24d Operator's 190455 - AND ON 2000-53 PDF
04/24/2025 Model-H H27i Operator's 190455 - AND ON 2000-52 PDF
01/23/2025 Model-H H24d Parts 190455 - AND ON 2000-51 PDF
12/09/2024 Model-H H27i Parts 190455 - 193249 2000-50 PDF
08/13/2024 Model-H H38i Operator's 183326 - 183325 2000-48 PDF
07/19/2024 Model-H H38i Parts 183326 - 190348 2000-49 PDF
11/27/2023 Model-H H24d Operator's 182266 - 190454 2000-47 PDF
09/14/2023 Model-H H27i Operator's 172648 - 190454 2000-46 PDF
08/24/2023 Model-H H24d Parts 182266 - 190454 2000-45 PDF
07/17/2023 Model-H H27i Parts 172648 - 190454 2000-44 PDF
04/19/2023 Model-H H38i Parts 176649 - 183325 2000-43 PDF
03/31/2023 Model-H H38i Operator's 155106 - 183325 2000-42 PDF
03/23/2023 Model-H H38i Parts 155106 - 176648 2000-41 PDF
05/24/2022 Model-H H24d Operator's 175742 - 182265 2000-40 PDF
05/19/2022 Model-H H37i Operator's 174903 - AND ON 2000-39 PDF
03/31/2022 Model-H H27i Operator's 168265 - 172647 2000-38 PDF
03/07/2022 Model-H H24d Parts 171634 - 182265 2000-37 PDF
01/31/2022 Model-H H37i Parts 171634 - AND ON 2000-36 PDF
01/17/2022 Model-H H27i Parts 168265 - 172647 2000-35 PDF
01/20/2021 Model-H H27i Operator's 162791 - 168264 2000-28 PDF
01/20/2021 Model-H H37i Operator's 162654 - 174902 2000-33 PDF
01/20/2021 Model-H H24d Operator's 164459 - 175741 2000-34 PDF
12/08/2020 Model-H H24d Parts 153116 - 171633 2000-32 PDF
11/19/2020 Model-H H37i Parts 154593 - AND ON 2000-31 PDF
11/17/2020 Model-H H27i Parts 154229 - 168264 2000-30 PDF
11/20/2019 Model-H H27i Operator's 155013 - 162790 2000-27 PDF
11/13/2019 Model-H H37i Operator's 155013 - 162653 2000-29 PDF
10/08/2019 Model-H H24d Operator's 155013 - 164458 2000-26 PDF
06/18/2018 Model-H H24d Operator's 145723 - 155012 2000-25 PDF
04/26/2018 Model-H H37i Operator's 150198 - 155012 2000-24 PDF
04/06/2018 Model-H H38i Operator's 147211 - 155105 2000-21 PDF
03/29/2018 Model-H H37i Parts 150198 - 154592 2000-23 PDF
02/21/2018 Model-H H27i Parts 145275 - 154228 2000-22 PDF
02/07/2018 Model-H H24d Parts 145723 - 153115 2000-18 PDF
02/07/2018 Model-H H38i Parts 147211 - 155105 2000-20 PDF
02/01/2018 Model-H H27i Operator's 145275 - 155012 2000-19 PDF
01/13/2017 Model-H H27i Parts 125122 - 145274 2000-17 PDF
12/13/2016 Model-H H24d Parts 141635 - 145274 2000-16 PDF
12/12/2016 Model-H H24d Operator's 141635 - 145722 2000-15 PDF
11/16/2016 Model-H H25 Operator's 124882 - AND ON 2000-12 PDF
07/12/2016 Model-H H38i Operator's 139019 - 147210 2000-14 PDF
02/02/2016 Model-H H38i Parts 139019 - 147210 2000-13 PDF
10/21/2013 Model-H H27i Operator's 125122 - 145274 2000-10 PDF
10/17/2013 Model-H H25 Parts 124882 - AND ON 2000-8 PDF
07/19/2012 Model-H MBS29 Parts 115338 - 125121 2000-6 PDF
01/09/2012 Model-H MBS29 Operator's 125598 - 125121 2000-7 PDF
05/23/2011 Model-H MBSY Operator's 112057 - 141634 2000-4 PDF
05/23/2011 Model-H MBSY Parts 112057 - 141634 2000-5 PDF
09/15/2010 Model-H MBS Operator's & Parts 105258 - 124881 2000-2 PDF
03/31/2008 Model-H MBS Operator's & Parts 93904 - 105257 2000-1 PDF

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Archived July 20, 2026 from walker.com. Reproduced for reference and provenance only; see the normalized MowerFacts spec sheet for the comparison-ready data.