Cub Cadet Ultima ZT1 54 specs

Zero-turn mower · Ultima ZT1 · Cub Cadet · 1 variant · Last verified 2026-10-27

54 in.Deck width
24 hpPower (as published)
HydrostaticTransmission
3.5 galFuel tank
Kohler KT724Engine
None foundCPSC recalls

Specifications

Each value links to the manufacturer document and page it came from. “Not yet verified” means we hold a reading that has not passed our checks, so we do not show it. A dash means the sources we used do not publish it.

Engine

Cub Cadet Ultima ZT1 54 Engine
Engine makeKohler[product page]
Engine modelKT724[product page]
Engine series7000 Series[product page]
Displacement747 cc[product page]
CylindersTwin[product page]
Power (as published)24 hp[product page]
Air filter typeDual element[product page]

Mower deck

Cub Cadet Ultima ZT1 54 Mower deck
BladesThree[product page]
Deck constructionFabricated[product page]
Cutting height range1'' - 4.5'' in.[product page]
Deck material11-gauge steel[product page]
Cutting height positions15[product page]
Blade engagement (PTO)Electric[product page]
Deck width54 in.[product page]

Drivetrain

Cub Cadet Ultima ZT1 54 Drivetrain
Transmission typeHydrostatic[product page]
Transmission modelHydro-Gear EZT 2200[product page]
Max forward speed7 mph[product page]
Max reverse speed3.5 mph[product page]

Fuel

Cub Cadet Ultima ZT1 54 Fuel
Fuel tank capacity3.5 gal[product page]

Tires and wheels

Cub Cadet Ultima ZT1 54 Tires and wheels
Front tires11"x 6"-5"[product page]
Rear tires20''x 10''- 8''[product page]
Rear wheel assembly634Z07244[parts supplement p.1]

Dimensions and weight

Cub Cadet Ultima ZT1 54 Dimensions and weight
Seat20" high back[product page]

Warranty

Cub Cadet Ultima ZT1 54 Warranty
Residential warranty3-year unlimited hours[product page]

Variants

Each SKU, model number, deck option and serial-range revision is its own variant. Values are never merged across variants.

17RREACM010

Ultima ZT1 54 (model 17RREACM010, Kohler KT724)

Model numbers
17RREACM010
Engine
Kohler KT724

Engine

Kohler KT724 is linked to variant 17RREACM010 because the engine model is printed on a manufacturer document for this machine. Full maintenance specs, parts and every machine using it are on the engine page.

Kohler KT724 key specs
Specas-installed-cc-xt1-lt50-13AQA1TLA10KT724 as installed in Cub Cadet XT1 LT50 (13AQA1TLA10)as-installed-cc-ultima-zt1-54-17RREACM010KT724 as installed in Cub Cadet Ultima ZT1 54 (17RREACM010)
Displacement747 cc[product page]747 cc[product page]
Oil capacity2.0 qt (1.89 L)[product page]2.0 qt (1.89 L)[product page]
Spark plug gapNot yet verifiedSame for all 2 variants

Maintenance specs and parts

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Oil and service specs

Cub Cadet Ultima ZT1 54 service specs
Engine oil capacity2.0 qt (1.89 L)[product page]

Part numbers

Cub Cadet Ultima ZT1 54 part numbers
Blade742P05086 (Ultra High-Lift, 54 in.)[parts supplement p.1]Find this part: Cub Cadet Amazon Sears PartsDirect
Mulching blade742P05086-X[parts supplement p.1]Find this part: Cub Cadet Amazon Sears PartsDirect
Deck belt954-04329A[parts supplement p.1]Find this part: Cub Cadet Amazon Sears PartsDirect
Drive (traction) belt954-04317A[parts supplement p.1]Find this part: Cub Cadet Amazon Sears PartsDirect
Oil filterKH-12-050-01-S[parts supplement p.2]Find this part: Cub Cadet Amazon Sears PartsDirect
Air filterKH-32-883-09-S1[parts supplement p.2]Find this part: Cub Cadet Amazon Sears PartsDirect
Fuel filterKH-25-050-22-S1[parts supplement p.2]Find this part: Cub Cadet Amazon Sears PartsDirect
Spark plugKH-25-132-23-S[parts supplement p.2]Find this part: Cub Cadet Amazon Sears PartsDirect
Spindle618P09236[parts supplement p.1]Find this part: Cub Cadet Amazon Sears PartsDirect

Engine service parts (from Kohler KT724)

Kohler KT724 parts
Specas-installed-cc-xt1-lt50-13AQA1TLA10KT724 as installed in Cub Cadet XT1 LT50 (13AQA1TLA10)as-installed-cc-ultima-zt1-54-17RREACM010KT724 as installed in Cub Cadet Ultima ZT1 54 (17RREACM010)
Oil filterKH-12-050-01-S[parts supplement p.2]Find this part: Amazon Sears PartsDirectKH-12-050-01-S[parts supplement p.2]Find this part: Amazon Sears PartsDirect
Air filterKH-32-883-09-S1[parts supplement p.2]Find this part: Amazon Sears PartsDirectKH-32-883-09-S1[parts supplement p.2]Find this part: Amazon Sears PartsDirect
Fuel filterKH-24-050-13-S[parts supplement p.2]Find this part: Amazon Sears PartsDirectKH-25-050-22-S1[parts supplement p.2]Find this part: Amazon Sears PartsDirect
Spark plugKH-25-132-23-S[parts supplement p.2]Find this part: Amazon Sears PartsDirectKH-25-132-23-S[parts supplement p.2]Find this part: Amazon Sears PartsDirect

Serial tag location

Serial tag location
Serial tag locationModel plate: lift the seat and look under the seat pan[manual p.1]

Manuals and sources

All links go to the manufacturer. Dates are printed dates unless marked otherwise.

Recalls

CPSC recalls for Cub Cadet Ultima ZT1 54

No CPSC recall found as of 2026-10-26. Search CPSC

Engine Kohler KT724: No CPSC recall found as of 2026-10-26.

A listed recall usually covers only the serial, spec or model numbers in the CPSC notice; check your machine. Try the recall lookup.

Last verified against manufacturer documents: 2026-10-27. Spotted an error? See contact.