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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.

  • Spartan Spartan SRT-XDe — commercial: daily paid use and high acreage; 54-inch deck; gas powered
  • Cub Cadet PRO X 654 — commercial: daily paid use and high acreage; 54-inch deck; gas powered
What’s different? The 5 differences that matter most, from the published figures.
  1. Spartan SRT-XDe has a 6" Deep, Reinforced 7 Gauge Full-Floating Deck deck; PRO X 654 has a 10 ga shell w/ 7 ga top & bottom reinforcement deck.
  2. Spartan SRT-XDe holds 9.5 gal (36 L) of fuel; PRO X 654 holds 7.5 gal (28.4 L) of fuel, a 2 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.
  3. Spartan SRT-XDe weighs 1,192 lbs (540.7 kg); PRO X 654 weighs 1,080 lbs (489.9 kg), a 112 lbs difference. Operating weight bears on trailer payload, ramps and soft turf. On its own it says nothing about build quality. What Spartan SRT-XDe's weight means for a trailer ›
  4. Spartan SRT-XDe has a published top speed of 11 mph; PRO X 654 has a published top speed of 10 mph, a 1 mph difference. Top speed is the maker's maximum in transport. Mowing speed is lower and depends on grass, terrain and the deck.
  5. Spartan SRT-XDe lists at $11,899; PRO X 654 lists at $11,199, a $700 difference. List price is the maker's own figure before tax, freight and dealer setup. Dealers set the final price.
calculated figures and what isn’t comparable

Calculated by MowerFacts

  • Spartan SRT-XDe works out to 4.8 acres/hour; PRO X 654 works out to 4.4 acres/hour, a 0.4 acres/hour difference. Calculated by MowerFacts from deck width and the published top speed at 80% efficiency; it is not a manufacturer figure, and real mowing is slower.

Not comparable

  • Displacement: not published for Spartan SRT-XDe.
  • Warranty: not published for PRO X 654.
  • Blades: not published for Spartan SRT-XDe.
  • Transmission: not published for Spartan SRT-XDe.
  • Deck Material: not published for Spartan SRT-XDe.
  • Start Type: not published for Spartan SRT-XDe.
  • Cut height range: not published for PRO X 654.

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 Spartan · more Cub Cadet
Side-by-side specifications: Spartan Spartan SRT-XDe vs Cub Cadet PRO X 654
Spec Spartan SRT-XDe
Spartan · Commercial
PRO X 654
Cub Cadet · Commercial
List price $11,899$11,199
Engine
Power Source gas gas
Engine Make Kawasaki Kawasaki®
Displacement — 52 ci (852 cc)
Engine Power 25.5 hp 25.5 hp
Cylinders — 2
Engine Model — FX Series
Start Type — Ignition Key
Deck
Cutting Width 54 in (1372 mm) 54 in (1372 mm)
Blades — 3
Deck Material — 10-gauge steel
Deck Construction 6" Deep, Reinforced 7 Gauge Full-Floating Deck 10 ga shell w/ 7 ga top & bottom reinforcement
Deck Gauge — 10
Min Cut Height 1.5 in (38 mm) —
Max Cut Height 4.8 in (121 mm) —
Drive
Transmission — 12cc Hydro-Gear® pumps / 240cc Parker® wheel motors
Ground Speed 11 mph 10 mph
Drive Tire Size 20x10.5-R12 Radial —
Reverse Speed — 5 mph
Dimensions
Weight 1192 lbs (540.7 kg) 1080 lbs (489.9 kg)
Fuel Capacity 9.5 gal (36 L) 7.5 gal (28.4 L)
Length 84 in (2134 mm) —
Width 55.5 in (1410 mm) —
Height 75 in (1905 mm) —
Commercial / Pro
Frame Construction 1.5" by 3" Powder Coated Fusion-Bonded Solid Steel Bridge Frame —
Seat Type Smart Ride TecsPhnology w/ full suspension seat - adjustable Tecak Elastomer supports - 360 degree floating seat platform - indepentant rear frame section suspended by Winamac coil springs —
General
Warranty 3 yr —

Spartan SRT-XDe: Specs verified against the manufacturer spec sheet on Jun 6, 2026 — joinspartannation.com.

PRO X 654: Specs verified against the manufacturer spec sheet on Jun 6, 2026 — cubcadet.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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