John Deere X370 42-in 21.5 hp Riding Lawn Tractor


This product is available in-store only.

Key Features

  • 21.5-hp (16.0-kW)* iTorque™ Power System
  • 42-in. (107 cm) Accel Deep™ mower deck, compatible with optional MulchControl™ kit with one-touch technology
  • Power two-wheel steer
  • 4 year/300 hour bumper-to-bumper warranty


  • Engine is smooth-running and reliable V-twin air-cooled design
  • 42-in. (107-cm) Accel Deep™ (42A) Mower Deck cuts clean and is versatile
  • Four-year or 300-hour bumper-to-bumper warranty is standard
  • Power steering and hydraulic lift enable easy operation
  • MulchControl™ system provides superior mulching performance and rapid conversion
  • Snow removal is a strength of lawn tractors
  • Integrated hydrostatic transaxle efficiently transmits power to wheels
  • Controls are convenient and easy to find
  • Frame is reliable heavy-duty welded steel
  • Modern styling with functional design enhances appearance and performance
  • Operator station is comfortable and convenient
  • Serviceability is convenient with easy-open hood
  • Help maintain your mower and lawn with the MowerPlus™ app and connector


  • Engine power: 21.5 hp / 16.0 kW
  • Oil change: No-tools oil drain with replaceable filter
  • Engine manufacturer/model: FR651V
  • Transaxle type: K57 hydrostatic integrated with transaxle
  • Transaxle control: Twin Touch™ pedals
  • Rear tires: 20x10-8
  • Lift system type: Hydraulic
  • Cutting width: Accel Deep™ mower deck, 42 in. / 107 cm
  • U.S. warranty: 4 year/300 hour bumper-to-bumper (Term limited to years or hours used, whichever comes first, and varies by model. See the LIMITED WARRANTY FOR NEW JOHN DEERE TURF AND UTILITY EQUIPMENT at or for details.)


  • Power: 21.5 hp / 16.0 kW
  • Displacement: 44.3 cu in. / 726 cc
  • Manufacturer/model: FR651V
  • Type: Overhead valve, full-pressure lube, oil filter
  • Cylinders: V-twin, cast-iron liners
  • Governor: Mechanical
  • Choke/speed control: Separate levers, automatic choke return
  • Cooling method: Air
  • Air cleaner: Dry, replaceable
  • Oil change: No-tools oil drain with replaceable filter

Fuel System

  • Type: Gasoline
  • Fuel delivery: Pulse pump, carburetor
  • Fuel gauge: Gauge on dash
  • Fuel tank location: Rear
  • Fuel fill opening: On left fender, 3 in. / 7.6 cm
  • Fuel tank capacity: 3.3 U.S. gal. / 12.5 L
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