Cub Cadet PRO X 636 (53RZ3CSB050)


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  • Commercial-grade 18.5 hp Kawasaki® FS600V (603cc) engine
  • A fully fabricated 36-inch 10-gauge steel commercial deck shell with top bottom and side reinforcements plus standard 21″ tires give you more ground clearance to easily back over curbs.
  • A large suspension platform allows you to glide comfortably over tough terrains.

  • High-performance commercial Hydro-Gear® PK 12cc pumps & Parker® TL 240cc wheel motors deliver quick response to the drive wheels and smooth control for cutting speeds up to 8.5 mph.
  • 2-year limited commercial warranty with no hour limitations

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  • Engine Brand Kawasaki®
  • Engine Model FS Series
  • Engine Model Number 600V
  • Engine Displacement 603cc
  • Engine Output 18.5HP
  • Starter Type Electronic with quick reset
  • Fuel Tank Capacity 6 gal. US (22.7 L)
  • Cylinders Twin
  • Engine Start Ignition Key
  • Engine Oil Capacity 2.0 qt. US (1.89 L)
  • Lubrication Fully pressurized
  • Charging System 15 amp regulated
  • Fuel Gauge No
  • Choke Separate Choke
  • Air Filter High Density
  • Oil Filter Yes
  • Fuel Delivery Carburetor
Drive System
  • Transmission 12cc Hydro-Gear® pumps / 240cc Parker® wheel motors
  • Forward Speed 8.5 mph / 13.6 km/h
  • Reverse Speed 3.5 mph / 5.6 km/h
Cutting Deck
  • Deck Cutting Width 36 in
  • Deck Engagement (PTO) Electric
  • Deck Construction 10 ga shell w/ 7 ga top & bottom reinforcement
  • Spindle Construction 5” sealed cast aluminum housing (maintenance-free)
  • Blade(s) Two 18.5" high-lift blades, 1-1/2" of blade overlap
  • Deck Lift Hand lever adjusting spring lift, pin selector for height
  • Cutting Height Range 1.75"- 4.5"
  • Anti-Scalping N/A
  • Frame 1.5" x 3" full-length tube frame
  • Front Axle 1.5" x 3" tube construction
  • Front Caster Mount 3/8" thick steel
  • Suspension None
  • Cruise Control NA
  • Brakes Hand Lever actuated scrub brake
  • Steering Control Lap Bar Steering Control
  • Rear Tires 21"x8.5"-10"
  • Front Tires 11x4-5 RF
Additional Specifications
  • Hour Meter Crew Boss
  • Model Number 53RZ3CSB050
  • Residential Warranty 2-year / no-hour-limit warranty
  • Specifications Specifications subject to change without notice and without incurring obligation. Products depicted on website and other advertisements are for demonstration purposes only. Actual products offered for sale may vary in design, required attachments, safety features and non-functional appearance from. See other general disclaimers at the bottom of our website.
  • Horsepower *As required by Kawasaki, horsepower tested in accordance with SAE J1995 and rated in accordance with SAE J2723 and certified by SAE International.