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List prices are the manufacturer’s published figures, re-checked daily; they exclude tax, freight and dealer setup.

A side-by-side reference of each model's stated specifications. MowerFacts doesn’t give opinions: where a published, spec-derived rule can separate machines we mark a Data Pick and show the rule; here, read the values and decide what fits your needs.

Best suited for

What each model is built for, from its duty class and key specs. This is a neutral reference — MowerFacts does not rank one model above another.

  • Walker Walker Model H38i — commercial: daily paid use and high acreage; 60-inch deck; gas powered
  • Walker Walker Model B27i — commercial: daily paid use and high acreage; 74-inch deck; gas powered
What’s different? The 5 differences that matter most, from the published figures.
  1. Walker Model H38i holds 9.4 gal (35.6 L) of fuel; Walker Model B27i holds 4.7 gal (17.8 L) of fuel, a 4.7 gal difference. Tank size bounds how long a machine runs between stops. Consumption varies with engine, load and speed, so hours per tank are not fixed.
  2. Walker Model H38i has a 38 hp engine; Walker Model B27i has a 26.5 hp engine, a 11.5 hp difference. Published horsepower is the maker's rating at a stated engine speed. It is a different measure from displacement, and two engines of equal rating can pull differently.
  3. Walker Model H38i cuts from 1 in (25 mm) to 5 in (127 mm); Walker Model B27i cuts from 1.5 in (38 mm) to 4 in (102 mm). The cut-height range is the shortest and tallest cut the deck offers. Most lawns are kept well inside it.
  4. Walker Model H38i weighs 808 lbs (366.5 kg); Walker Model B27i weighs 606 lbs (274.9 kg), a 202 lbs difference. Operating weight bears on trailer payload, ramps and soft turf. On its own it says nothing about build quality. What Walker Model H38i's weight means for a trailer ›
  5. Walker Model H38i has a 60 in (1,524 mm) deck; Walker Model B27i has a 74 in (1,880 mm) deck, a 14 in difference. Deck width sets how much grass each pass covers. Mowing time also depends on ground speed, turns and obstacles, so a wider deck alone does not fix the job's length. Time both decks on your own lawn ›
2 more differences

Other verified differences

  • Walker Model H38i has a 61 ci (999 cc) engine; Walker Model B27i has a 45.6 ci (747 cc) engine, a 15.4 ci difference.
  • Walker Model H38i has a published top speed of 10 mph; Walker Model B27i has a published top speed of 8 mph, a 2 mph difference.

Verified means each manufacturer publishes the figure. A bigger number is only a bigger number; nothing here says which machine is better. The full specification table is below.

Which is faster on your property? › Measure your lawn once and MowerFacts times all 2 against it.

Add another (2 more fit): every commercial mower · more Walker
Side-by-side specifications: Walker Walker Model H38i vs Walker Walker Model B27i
Spec Walker Model H38i
Walker · Commercial
Walker Model B27i
Walker · Commercial
List price dealer quotedealer quote
Engine
Power Source gas gas
Engine Make Rehlko Rehlko
Displacement 61 ci (999 cc) 45.6 ci (747 cc)
Engine Power 38 hp 26.5 hp
Fuel Type Automotive Grade Unleaded Gasoline (87 Octane Minimum, 10% Ethanol Maximum) Automotive Grade Unleaded Gasoline (87 Octane Minimum, 10% Ethanol Maximum)
Deck
Cutting Width 60 in (1524 mm) 74 in (1880 mm)
Min Cut Height 1 in (25 mm) 1.5 in (38 mm)
Max Cut Height 5 in (127 mm) 4 in (102 mm)
Drive
Transmission Dual Independent Hydro-Gear ZT3400 Integrated Transaxles Dual, Independent Hydro-Gear® ZT3100 Integrated Transaxles
Ground Speed 10 mph 8 mph
Dimensions
Weight 808 lbs (366.5 kg) 606 lbs (274.9 kg)
Fuel Capacity 9.4 gal (35.6 L) 4.7 gal (17.8 L)

Walker Model H38i: Specs verified against the manufacturer spec sheet on Jun 6, 2026 — walker.com.

Walker Model B27i: Specs verified against the manufacturer spec sheet on Jun 6, 2026 — walker.com.

Independent reference database. Specs compiled from manufacturer sources and normalized for comparison; verify with the manufacturer or dealer before purchase.

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