UNVERFERTH - RIPPER STRIPPER 312 Back
UNVERFERTH RIPPER-STRIPPER 312 STRIP TILLAGE TOOL
The Ripper-Stripper strip-tillage tools wide variety of coulter options, finishing attachments and accessories allow the operator to customize the tool to fit their individual needs due to the varying soil profiles depending on geographical region. The Ripper-Stripper is available in two models: the auto-reset model that automatically resets the shank into the soil after coming into contact with an obstacle or the cover crop roller with smooth coulter blades and rubber-cushioned mounting that crimps and deflects residue away from the row. The Ripper Stripper strip-tillage tool from Unverferth does it allin one passspring or fallwhether cutting through the prior year's crop or cover crop residue.
FRAME
ONE-STOP, STRIP-TILL SHOP
Create a seedbed that warms quickly, provides optimum seed-to-soil contact for enhanced early plant growth and makes it easier for the plant roots to get the moisture and nutrients that are needed.
MODELS
The Ripper-Stripper is available in 2/4/6/8-shank with a rigid frame or 8/12/16-shank with a folding frame. Depending on the number of shanks, 30, 36, 38 and 40 row-spacings are available.
Model 312 features a shear-bolt trip design for use in soils with minimal obstacles. The trip pressure for Model 312 is 7,500 lbs. for consistent working depth.
Model 332 features an auto-reset trip design with a heavy-duty pull arm that can trip upward and rearward to avoid obstacles and quickly resets without the need for shear-bolt replacement. The trip pressure for Model 332 is 6,000 lbs. for consistent working depth.
CONSTRUCTION
The heavy-duty, double frame with a 6 x 6 rear mounting bar provides years of maximum durability when traveling in and out of the field. The frame is powder-coated in your choice of tractor red or green on all sizes for a long-lasting finish.
Parking stands are standard on all units. Transport lighting and reflective markings are standard on all Ripper-Stripper models except optional on 2-row sizes for safer road travel.
3-POINT HITCH
Depending on model, the Ripper-Stripper has 3 different hitch styles which include 3-point hitch, quick attach hitch and narrow quick attach hitch. When pulling with oscillating 4WD track tractors, choose the optional pull-type package or 3-point implement caddy to reduce side stress on the frame. Adaptor kits for standard CAT 2 hitches are also available.
STABILIZER WHEELS
Stabilizer wheels provide added stability and tool-free adjustment for quick and convenient depth adjustment in the field. Rigid models up to 6-row 30 row-spacing utilize 7.60L x 15 8-ply tire, 8-row folding and 6-row 36, 38 and 8-row 30 rigid models utilize 9.5L x 15 8-ply tires, while models that are 12-row 30 row-spacing (wings only), 12-row 36, 38 40 row-spacing and 16-row 30 row-spacing (base and wings) folding models utilize 12.5L x 15 10-ply tires.
COULTER
LEAD COULTER
The lead coulter features a swivel design for 10 degrees of side-to-side movement to follow ground contours and changing terrain. The 20 blade with 13 waves cut residue with 1,500 lbs. of down force.
6-bolt greaseable hubs with 5 layers of seal protection help ensure long-term, trouble-free use along with patented formed cast mounting clamps ensure that the lead Coulter stays straight in the field.
COVER CROP ROLLER
The cover crop roller is available on 6/8-shank rigid and 8/12-shank folding (30/36/38 row spacings) features chevron-patterned blades that crimp and deflect cover crop away from the row.
Smooth blades (22 diameter) on the cover crop roller (11 diameter) create a clear path for the shank and rubber-cushioned mounting allows the individual rollers to follow ground contours and go over obstacles.
SHANK
SHANK FEATURES
Shanks on all models feature special-alloy, steep-sloped shanks that loosen compaction up to 18 deep for shattering hardpan. The recommended pulling requirements are 20-40 HP per shank depending on soil type.
1 wide patented shark-fin wear bars extend the shank life and minimizes resistance for easier pulling. Replaceable raised-center shark-fin points break hardpan with minimal surface soil disturbance and greater durability.
STRIP-BUILDER ATTACHMENTS
MOUNTING
The innovative strip-builder attachments for the Ripper-Stripper tillage tool feature parallel-link mounting directly to each shank so each row can float independently from one another for consistent tillage action. The new strip-builder design features tool-free spring down pressure adjustment for the row unit, tool-free coulter angle adjustment with 7 locking positions, single-point coulter width adjustment and adjustable length trailing conditioning baskets or rollers for increased residue flow.
ROLLING HARROW BASKET
The 15 wide Rolling Harrow basket attachment with your choice of lead wavy coulter blades or notched concave blades is ideal for creating a fully tilled and leveled strip of soil ready for planting. The 15 wide concave Rolling Harrow basket attachment creates a mounted strip of soil for a raised seedbed. A 20 wide Rolling Harrow Basket attachment is also available with a choice of wavy coulter or notched concave blades for additional seedbed finishing.
Strip-builder with 2 notched concave blades and 20 wide Rolling Harrow basket.
Strip-builder with 2 wavy coulter blades and 15 wide concave Rolling Harrow basket
Strip-builder with 2 notched concave coulter blades and 15 wide concave Rolling Harrow basket.
RUBBER PRESS WHEELS
For seedbed firming in lighter soils, choose from a variety of rubber press wheel strip-builders to meet your operations needs. Choose from 2 wavy or notched blade coulters, or the 4-coulter option with 16 or 20 wide rubber press wheels. For minimal-tillage applications, choose 2 angled press wheels or a 16 rubber press wheel by itself.
Strip-builder with 2 wavy coulter blades and 16" wide rear rubber press wheels.
Strip-builder with 2 lead angled press wheels and 16" wide rear rubber press wheels.
Strip-builder with 16" wide rear rubber press wheels.
4-COULTER OPTION
The 4-coulter option for the Ripper-Stripper tillage tool has been completely re-designed for streamlined operation and easier installation. The 4-coulter option produces greater tillage action for a more defined strip and builds a better seedbed. This option can be easily added with 4 bolts on each side of the strip-builder and features tool-free angle adjustment with 7 locking positions and single-point width adjustment.
Strip-builder with 4-coulter option, 2 wavy and 2 concave notch coulter blades and 20" straight blade rolling basket attachment.
Strip-builder with 4-coulter options, 4 wavy coulter blades and 16" wide rubber press wheels.
STRIP-BUILDER
For a rough textured seedbed, choose the wavy coulter only strip-builder attachment with 17 diameter blades.
SHANK ATTACHMENT
Fertilizer shank attachments are depth-adjustable for delivering dry or liquid fertilizer and allow the operator to place fertilizer in the row for optimum nutrient uptake. The shank stagger kit offsets the shank by extending it rearward.
3-POINT IMPLEMENT CADDY
3-POINT CADDY
The 3-point implement caddy easily converts nearly any 3-point tillage tool into a pull type implement.
MODELS
Model 500 implement caddy can carry up to a 9-shank implement and has a total lift capacity of 13,000 lbs. This model is available with IF320/70R x 15 dual tires or 14L x 16.1 14-ply dual tires and 6 x 6 steel axle arms. All-welded 4 x 8 tubular steel frame and CAT 3 lower quick-hitch, auto-latch attachment and top quick link are included.
Model 700 caddy can carry up to a 16-shank implement and has a total lift capacity of 22,000 or 16,000 lbs. depending on tire choice. This model is available with 295/75 x 22.5 dual tires or 385/65 x 22.5 (22,000 lbs. capacity) dual tires and 8 x 8 steel axle arms. Model 700 features parallel lift arms with up to 30 of clearance and an oscillating dual wheel design for enhanced transport safety and weight equalization. All-welded 4 x 10 tubular steel frame and CAT 4 narrow hitch attachment is included.
HYDRAULICS
Depending on model, the implement caddy has a hydraulic hose connection towards the rear of the caddy and all models include an electrical connection at the rear of the caddy for easily hooking up trailing tillage tool.
TONGUE
Adjustable tongue height with single-tang hitch allows you to easily match the tractors drawbar and the adjustable top link design provides quick and convenient leveling of the attached implement.
ACCESSORIES
FLEX-FRAME KIT
The patented flex-frame hydraulic valve kit on 8-shank 36/38/40, 12-shank 36/38/40 and 16-shank 30 folding units allow the wings to float up 15 degrees and down 5 degrees to follow ground contours.
ROW CLEANER
Row cleaner attachments installed on the lead coulter and feature finger wheels that are width-adjustable and feature a floating design to follow ground contours separate from the coulter blade. These trail behind the coulter for more effective field performance and the curbed finger design prevents debris from wrapping.
LIFT-ASSIST PACKAGES
The semi-mounted planter lift-assist package mounts directly to 6/8/12/16-row planters and feature caster lift-assist wheels for faster planter lifting and more stable road transport. The lift-assist package for 8-shank and larger units provides added lifting power of the tractors 3-point hitch.
PLANTER ARM KIT
The mounted integral planter arm kit for bolting 4- or 6-row 3-point planters directly to the back of a Ripper-Stripper implement and raises/lowers with the tractor 3-point.
SHANK PROTECTORS
Choose between plastic shank protectors to provide non-stick performance in tacky soils, or steel shank protectors to help protect the shank from abrasive soil.
SHATTER WINGS
Add 7 or 9 shatter wings to the point that are angle-adjustable from 0-14 degrees for additional lifting and shattering action.
REAR PULL-THROUGH HITCH
The option of adding a rear pull-through hitch is utilized for towing fertilizer carriers. There is also a separate hydraulic hitch height control option.
ROW MARKERS
Row markers added for 8- and 12-row units feature 16 notched blades that leave a highly visible mark and come complete with hydraulics and sequence valve.
NEW! Introducing New Strip-Builder Attachments for Unverferth Ripper-Stripper Tool
New for 2026 is a complete lineup of strip-builder tillage attachments for the Unverferth Ripper-Stripper tillage tool. This new lineup offers easier adjustability, additional tillage options and enhanced features to keep your operation rolling during the busy tillage season. Numerous blade styles, Rolling Harrow baskets and firmers are available to match your tillage practices, and the re-designed 4-coulter option has been streamlined for easier installation and ease of use. All strip-builders are mounted directly to each shank to permit independent row-to-row floating for the most consistent strip-building across the entire machine
Features:
Strip-builders feature parallel-link mounting directly to each shank so each row floats independently across the entire machine for consistent tillage action.
Tool-free spring down pressure adjustment on the parallel mounting arms allows the operator to adjust the down pressure for the entire row unit.
All-new tool-free coulter angle adjustment with 7 locking positions allows the operator to adjust the aggressiveness of each coulter to match different soil types.
The coulters also feature quick and easy single-point width adjustment to make the strip wider or narrower depending on operator preference.
The trailing basket or rubber press wheel is length adjustable to move it away from the coulters for increased trash flow in high-residue applications, and to accommodate the 4-coulter option.
The trailing Rolling Harrow basket attachment now features patented heavy-duty 4-bolt flanged bearings with triple-lip seals for high-acreage applications.
An all-new 4-coulter option is now available:
- This produces greater tillage action for a more defined strip and creates a better seedbed.
- The 4-coulter option can be easily added with 4 bolts on each side of the strip-builder.
- Tool-free angle adjustment of each coulter with 7 locking positions and single-point width adjustment
STRIP-BUILDER OPTIONS
Unverferth offers the widest range of strip-builder attachments to work in a wide variety of soil conditions.
For a rough textured seedbed, choose the wavy coulter only strip-builder attachment. For increased soil conditioning, choose from a wide variety of wavy coulter blades paired with a 15 or 20 rear conditioning basket. For maximum tillage action and the ideal planting strip, choose the 4-coulter option with a variety of coulter and basket combinations
For enhanced firming action in lighter soils, choose a strip-builder with trailing rubber press wheels. The 4-coulter option can be added to any combination of strip-builders with press wheels.
For seedbed firming in the lightest soils, choose from a variety of press wheel strip-builders to meet your operations needs
Similar models may be shown in addition to the featured model. Equipment may be shown with options. Specifications are subject to change without prior notice.
Express Financing Get Pre-Approved
Get a FR8Star Shipping Estimate