Fertilizer Knives
ShieldAg manufactures a complete line of fertilizer knives for liquid, ammonia, dry and micronutrient products for about any machine type on the market. With over 500 individual part numbers, we will have a knife to improve your equipment performance. We have a complete line of replacement-point knives to reduce downtime. Our side dress knives feature the heaviest chrome carbide wear point in the industry! Universal front mount using plow bolts to fit just about any chisel knife out there!
DF-1PM
DF-1PM
DF-1PM knives are 16” tall with universal mounting hole/slot self-sealing in most applications
When ordering, specify OPEN END or DRILLED primary fertilizer tubes
Shield offers a full line of patented Strip Till knives through our master distributors, please ask for details
K-2T
K-2T
K-2T/3/4DA
K-2T knives use upright universal mounting shanks and are 15” tall to fit most standard fertilizer rigs
ShieldAg manufacturers over 450 different NH3, liquid, dry and combination fertilizer knives-ask your TM for details!
| Part Number | Upright conventional knives | WEIGHT |
|---|---|---|
| K-2T | Single 3/8" NH3 tube | 6.2 |
| K-2T/3/4DA | 3/8" NH3 & 3/4" open end tubes | 7.2 |
| K-2T/3/4DA/PLSPL | 3/8" NH3 & 3/4" open end tubes with sealer | 7.8 |
| K-2T/O | Single 3/8" open end tube | 6.2 |
| K-2T/O/3/4DA | 3/8" OPEN & 3/4" open end tubes | 7.2 |
| K-2T/O/3/4DA/PLSPL | 3/8" OPEN & 3/4" open end tubes with sealer | 7.8 |
| K-2T/O/PLSPL | Single 3/8" OPEN tube with sealer | 7 |
| K-2T/PLSPL | Single 3/8" NH3 tube with sealer | 7 |
Side Dress Knives
| Part Number | Liquid applicator (side dress) knives | WEIGHT |
|---|---|---|
| K-33607014BB | Boron Steel thin knife for DMI coulter rigs, 3/8" open-end tube | 4.2 |
| K-33607014BBSST | Boron Steel thin knife for DMI coulter rigs, 3/8" tube w/SURFA-SHIELD | 4.3 |
| K-4TSBS/BSST | 14" Tall Backswept, 3/8" Tube, 5/16" Boron steel w/SURFA-SHIELD | 3.6 |
| K-5SBSST | Boron Steel thin knife , 3/8" open end tube with SURFA-SHIELD | 4.4 |
| K-5SHDWREKIT | Hardware kit for thin knives, includes cushion | 1 |
| K-7S | Chrome knife for coulter systems, accepts 3/8" flex hose | 5.5 |
| K-5F50 | Forged 3/8 X 13" side dress knife with 3/8" tube, NEW FOR 2018 !! | 3.7 |
Call us if you don’t see the side dress knife you want for the rig, we probably have one!
K-4T
K-4T
16” tall front swept knives designed to “take the ground” in the toughest conditions. Universal shank mount is the same as our DF-1PM series knives.
ShieldAg manufacturers over 450 different NH3, liquid, dry and combination fertilizer knives – ask your TM for details!
When ordering, specify OPEN END or DRILLED primary fertilizer knives
| Part Number | Front Swept knives | WEIGHT |
|---|---|---|
| K-4T | Single 3/8" NH3 tube | 6.6 |
| K-4T/3/4DA | 3/8" NH3 & 3/4" open end tubes | 7.4 |
| K-4T/DA | 3/8" NH3 and 3/8" liquid | 7.2 |
| K-4T/DA/3/4 | 3/8" NH3 and 3/8" liquid with 3/4" vapor tube | 8 |
| K-4TS | Single 3/8" NH3 tube, SLIM NO-TILL | 5.5 |
| K-4TS/3/4DA | 3/8" NH3 & 3/4" open end tubes, SLIM NO-TILL | 6.5 |
| K-4TS/DA | 3/8" NH3 & 3/8" open end tubes, SLIM NO-TILL | 6.4 |
| K-4TS/DA/3/4DA | 3/8" NH3 & 3/8" open end tubes and 3/4 vapor tube, SLIM NO-TILL | 7.2 |
SHREW knives are min-till 3/8 x 2 ½ knives made to give a little fracture and lift for good sealing without a lot of surface disturbance.
ShieldAg manufactures over 450 different NH3, liquid, dry and combination fertilizer knives – ask your TM details!
| Part Number | SHREW knives, minature DF Mole knife | WEIGHT |
|---|---|---|
| K-4TSDF | SHREW with 3/8" drilled tube mini DF | 6 |
| K-4TSDF/DA | SHREW with 3/8" drilled and 3/8" open tubes | 6.9 |
| K-4TSDF/3/4DA | SHREW with 3/8" drilled tube and 3/4" vapor tube | 7.1 |
Acra Plant Side Mount Quick Change Fertilizer Knives
| Item | Description | Weight |
|---|---|---|
| AP-711 | Acra Knife Shank w/ 3/8” NH3 tube (.408” OD, for 3/8” NH3 hose), no point, Replaces AP-700010 | 4.6 |
| AP-711/3/4DA | Acra Knife Shank w/ 3/8” NH3 tube and 3/4" Vapor Tube, no point, Replaces AP-700010V | 5.4 |
| AP-700041 | STANDARD ACRA KNIFE POINT w/PIN | 4.3 |
| AP-700043 | ACRA HEAVY DUTY SUPER WING POINT WITH PIN | 4.4 |
| AP-700042-ST | Strip Till Point Acra Knife Series | 4 |
| AP-700044 | ACRA CLOSER POINT w/PIN | 3.8 |
| AP-700020 | Replacement Tube 3/8" NH3 | 0.5 |
| AP-700021 | Replacement Tube 3/8" open-end liquid | 0.5 |
| AP-700022 | Replacement Tube 1/2" open-end liquid | 0.6 |
| AP-700023 | Replacement 3/8" NH3 tube with RINGS welded for 1/2" Liquid/Vapor | 0.6 |
| AP-700025 | Replacement Tube 1/2" NH3 | 0.6 |
| SA-700011 | Acra Knife Shank w/ NO Tube | 4.5 |
| K2TBDA3/4 | Replacement 3/4" Vapor tube (Raven) | 0.7 |
| AP-510674 | 3/8 X 1-3/8" spring pin | 0.1 |
All Acra-Plant fertilizer knives are replacement points have been improved for longer wear life and durability in modern high-horsepower environments! All types of fertilizer tubes and knives configurations, including dry fertilizer, are now available. Call us for a quote on your special application!
Acra Plant Chisel Plow Fertilizer Knives and Parts
| Item | Description | Weight |
|---|---|---|
| AP-705011 | Nickel Alloy Chisel Plow Shank | 4.4 |
| AP-705020 | 3/8” NH3 tube (.408” OD), crimped and drilled | 0.32 |
| AP-705021 | 3/8” Liquid tube (.408” OD), open end | 0.32 |
| AP-705022 | 1/2" open-end liquid tube | 0.34 |
| AP-705023 | 3/8" NH3 tube with RINGS welded for 1/2" Liquid/Vapor | 0.46 |
| AP-705024 | 1/2" NH3 tube | 0.34 |
| AP-705029 | Tube Mounting bracket kit | 0.5 |
| AP-705042 | Enhanced Chrome Alloy Fertilizer Point w/pin | 4.1 |
| AP-705141 | Chrome Alloy Chisel Plow Point with pin | 3.88 |
| AP-708003 | Adjusting Wedge for AP-705000 | 0.5 |
| AP-708041 | Improved "old-style" fertizer point, replaced by AP-705042, but still available, w/pin | 2.8 |
| AP-510673 | 1/2" X 1-1/4" spring pin | 0.1 |
Convert your chisel plow to an efficient fertilizer applicator! With interchangeable points, you can go from fertilizer application to standard chisel operation in minutes by just changing the tip!
Heaviest chrome carbide wear point in the industry! Universal front mount using plow bolts to fit just about any chisel shank out there!
| Part Number | CHISEL PLOW | WEIGHT |
|---|---|---|
| CPK-1/1/2A | Single 1/2" NH3 tube, CHISEL PLOW | 6.0 |
| CPK-1E | Single 3/8" NH3 tube w/trash guard, CHISEL PLOW | 6.2 |
| CPK-1E/1/2A | Single 1/2" NH3 tube w/trash guard, CHISEL PLOW | 6.3 |
| CPK-1E/3/4DA | 3/8" NH3 tube and 3/4" Vapor Tube w/trash guard, CHISEL PLOW | 7.3 |
| DF-1PM | Single 3/8" NH3 tube | 7.2 |
| DF-1PM/3/4DA | 3/8" NH3 & 3/4" vapor tube | 7.8 |
| DF-1PM/DA | 3/8" NH3 & 3/8" open end tubes | 7.6 |
| DF-1PM/DA/3/4 | 3/8" NH3 & 3/8" open end tubes and 3/4 vapor tube | 8.4 |
| DF-1PM/ST | Single 3/8" NH3 tube with Strip till protection, STRIP TILL | 10.3 |
| DF-1PM/ST/3/4DA | 3/8" NH3 & 3/4" open end tubes and strip till protection, STRIP TILL | 11.1 |
Dozens of other chisel plow styles are available!