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Fertilizer Knives

Our customers span the globe and they’ve got needs as varied as the crops they grow. With feedback from the field and innovation in our designs, our fertilizer knives are products of rigorous testing and tenacious engineering. At Wiese we will always strive to keep our products simple and effective; striking a perfect balance of value and performance. With a vast array of shapes and sizes, along with unique features such as below-surface wings and chrome cutting surfaces, we’ve got the right part for your application. Have a look at the brochure for more information.

Front-Swept Knives

Name Description Chrome Insert Tube Protector
A50H Chrome Insert Fertilizer Knife Standard knife Yes Yes
A50NP Chrome Insert Fertilizer Knife thin profile knife Yes Yes
A50UVX Chrome Insert Knife Drop-forged knife Yes Yes
A50SK Chrome Insert Fertilizer Knife Heavy-duty knife Yes Yes
A50SS Super Sealer Fertilizer Knife Super sealer (wide foot) Yes (heavy-duty) Yes
A50MM Minimum Movement Fertilizer Bevelled front edge, low disturbance Yes, wide toe, narrow heel Chrome
CO50 Fertilizer Knife Extra-thin knife for coulters Available Available
A50DMI Fertilizer Knife DMI side dress knife Yes Pipe bead
A50SSXL “Extra Long” Super Sealer Extra Long 16-3/8″ Yes No
AT501000 Economy forged knife Yes No

Back-Swept Knives

Name Description Chrome Insert Tube Protector
A50VT Fertilizer Knife Thin curved knife Short (13-1/2″) No No
A50BK Fertilizer Knife Angled knife heavy-duty Yes Full w/foot Yes

Dual Tillage Knives

Name Description Centers Drop-Forged/Chrome
DT3 Cultivator Fertilizer Knife Heavy-duty drop-forged knife 1-3/4″ to 2″ Drop-forged
DT3 Hardfaced Cultivator Fertilizer Knife Heavy-duty drop-forged knife 1-3/4″ to 2″ Drop-forged and hardfaced
DT4 Cultivator Fertilizer Knife 7/16″ thick twisted shank 1-5/8″ to 2″ N/A
DT4 Hardfaced Cultivator Fertilizer Knife 7/16″ thick twisted shank hardfaced 1-5/8″ to 2″ N/A
DT4 Chrome Insert Cultivator Fertilizer Thin profile, 7/16″ thick shank 1-5/8″ to 2″ Chrome Insert
DT5 Cultivator Fertilizer Knife 2″ wide 3/8″ thick shank 1-3/4″ N/A
Name Description Centers Drop-Forged/Chrome
CP65 Chisel Plow Fertilizer Knife Extra heavy 2″ wide 2-1/4″ to 2-1/2″ Drop-forged
CP65 Hardfaced Chisel Plow Fertilizer Knife Extra heavy 2″ wide hard-surfaced 2-1/4″ to 2-1/2″ Drop-forged
CP70 Chisel Plow Fertilizer Knife Thin profile twisted 1/2″ shank 2-1/4″ Drop-forged
CP70 Chrome Insert Chisel Plow Fertilizer Thin profile twisted 1/2″ shank 2-1/4″ Chrome Insert
Name Description Centers Drop-Forged/Chrome
CP90 Chisel Plow Fertilzer Knife Twisted chisel knife, 3/4″ shank 2-1/4″ Pin on chrome insert w/fin

Custom Application Options

Name Description
A12P Replace 3/8″ OD standard pipe with 1/2″ OD standard pipe
A18PSS Replace 3/8″ OD standard pipe with 3/*” OD Stainless Steel pipe
A12PSS Replace 3/8″ OD standard pipe with 1/2″ OD Stainless Steel pipe
A182P Add 3/8″ OD 2nd pipe
A122P Add 1/2″ OD 2nd pipe
A182PSP Add 3/8″ OD 2nd pipe with sideplates
A122PSP Add 1/2″ OD 2nd pipe with sideplates
A34OW Add 3/4″ OD 2nd pipe with sideplates
A1W Add 1″ 2nd pipe with sideplates
A114PSP Add 1-1/3″ OD 2nd pipe with sideplates
A112PSP Add 1-1/2″ OD 2nd pipe with sideplates
AS75A Add beavertail style sealer to any knife

Weld-on High Chrome Inserts

Name Description
CI2 Chrome Insert For A50UVX
CI4 Chrome Insert For A50NP
CI4S Chrome Insert For CP70
CI6 Chrome Insert For Dt4
CI9 Chrome Insert For A50VT
CI10 Chrome Insert For A50SK