VentracEquipmentVentrac AttachmentsVentrac MJ840 Contour Mower
Attachment

Ventrac MJ840 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

$10,080Starting MSRP

Specifications

General
Blade Length15 in
Anti Scalp Rollers5
Tip Speed16400 fpm
Center Deck BeltBB78
Drive BeltB45
Blades PN79.0079 and 79.0080
Left and Right Deck BeltBB96
Dimensions
Attachment TypeMower
Front MountVentrac Mount System
4000 Series Mount
Mower TypeFinish
Mower Specs
Cutting Positions12
Cutting Width83 in
Cutting Heights (Standard)0.75 in
Deck Suspension4 front flat-free tires with 3 full rear rollers
Discharge TypeRear
Number of Blades6(3 left hand, 3 right hand)
Flip-Up Deckstandard/optional
Blade Type15 in
Deck ConstructionMulti-Gauge
Dimensions
Length52 in
Overall Width84 in
Height22 in
Weight584 lb
Before you order

We’ll confirm the fit, not assume it

Ventrac’s catalogue does not carry verified fitment for every part, and a wrong bracket costs you a week. Give us the model and serial number from the frame plate — usually under or behind the seat — and the Koenig parts desk checks it against your machine before anything ships.

Talk to the parts desk

Factory-trained Ventrac technicians at Koenig stores across Ohio and Indiana. We can identify a part from your model number and a description of the symptom.

Find your store

Common questions

How much does the Ventrac MJ840 Contour Mower cost?

Starting MSRP is $10,080. Final pricing depends on configuration and current Ventrac programs, so request a quote from Koenig Equipment for the real number on the setup you want.

Where can I buy the Ventrac MJ840 Contour Mower in Ohio or Indiana?

Koenig Equipment is an authorized Ventrac dealer with stores across Ohio and Indiana. You can see which store is closest on our locations page, or request a quote and we will route it to the store nearest you.

Can I see the Ventrac MJ840 Contour Mower before I buy it?

Yes. Koenig Equipment runs on-site demos, so you can watch the machine work on your own ground, on your own slopes and surfaces, before you commit. Request a demo and we will set it up.

Where do I get parts and service for my Ventrac?

Genuine Ventrac parts are searchable by part number on Koenig Marketplace, and our Ventrac Parts Finder filters them by your model. Service is handled by Koenig technicians at our stores across Ohio and Indiana.

Sold & serviced local

Backed by Koenig Equipment across Ohio and Indiana — real people, real service, since 1904.

Genuine Ventrac parts

Keep it running with genuine parts, searchable on Koenig Marketplace.

Demos & financing

See it work on your property and ask about financing — just request a demo.

Ready to put a Ventrac to work?

Get pricing or see one in action. A Koenig Ventrac specialist across Ohio & Indiana will follow up.