Contour Mower


Ventrac's Contour Mower features a 83 inch working width making quick work of precision mowing on high end properties. Three decks float independently and follow the contour of the terrain with up to 40 degrees of motion for each side deck. The MJ840 also features full rear rollers for even cutting and striping, rear discharge, and a flip-up deck design.

Feature List:
  • 83" Mowing width
  • 40 degrees of motion for side decks
  • Front-to-back motion for ground variation
  • Rear discharge
  • Full rear rollers for even cutting and striping
  • Front rollers for anti-scalping
  • Belt drive with gearbox for mechanical
  • efficiency and reliability
  • Flip-up deck design
  • MJ840 CONTOUR MOWER 39.55160
    Starting at $9,600 MSRP*
  • *Taxes, shipping & handling, setup, freight and/or delivery charges are not included. Price shown is for informational purposes only. Consult an authorized Ventrac Dealer for complete details, pricing, warranty and safety information. All prices are shown in U.S. Dollars for products sold in the United States only. Not all models available for sale in California, see dealers for details.

Ventrac Benefits

40 Degree Side Deck Motion

The contour deck flexes up to 20 degrees up or down (40 degrees range).

Scalp-Free Mowing

The independent decks follow the most challenging terrains with full-length rollers to prevent scalping of your course.

Easy Service Flip-Up Deck

Cleaning the deck and changing blades couldn't be easier with Ventrac's quick flip-up deck design.

Stand-Out Stripes

The three independent decks have full-length rollers to make stand out stripes.

Industry Solutions


Measurement System:

Specifications 39.55160
Sales Model MJ840
Full Description MJ, MJ840 Contour Mower
Product Type Attachment
Attachment Type Mower
Front Mount Ventrac Mount System
Mower Type Finish
4000 Series Mount standard
Mower Specs
Cutting Width 83 in
Discharge Type Rear
Flip-Up Deck standard
Cutting Heights (Standard) 34 to 312 in
Cutting Positions 12
Number of Blades 6 (3 left hand, 3 right hand)
Blade Type 15 in
Deck Construction Multi-Gauge
Deck Suspension 4 front flat-free tires with 3 full rear rollers
Overall Width 84 in
Length 52 in
Height 22 in
Weight 584 lbs
Anti Scalp Rollers 5
Tip Speed 16400 ft/min


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