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John Deere AH21346 Knife Head Assembly
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| Overall Length | 376 mm |
|---|---|
| Mounting Hole Count | 9 |
| Thread Size | M16 x 1.5 |
| Tool Diameter | 22.4 - 20 mm |
| Effective Length | 32.4 mm |
| Weight | 1.72 kg |
| Material | Heat-Treated Forged Steel |
| Finish | Painted / Galvanized |
| Type | Knife Head with Rail |
Manufacturer No.
- AH21346
- S.63224
- JMK0029
- JD5461
- 18AP010004
OEM Part No.
- AH21346
- 84998148
Interchange No.
- S.63224
- JMK0029
- JD5461
- 18AP010004
- 80134023
Fitment Vehicles
- John Deere 730 Combine
- John Deere 925 Combine
- John Deere 930 Combine
- John Deere 932 Combine
- John Deere 935 Combine
- John Deere 940 Combine
- John Deere 942 Combine
- John Deere 945 Combine
- John Deere 950 Combine
- John Deere 952 Combine
- John Deere 955 Combine
- John Deere 960 Combine
- John Deere 965 Combine
- John Deere 965H Combine
- John Deere 968H Combine
- John Deere 970 Combine
- John Deere 975 Combine
- John Deere 985 Combine
- John Deere 1032 Combine
- John Deere 1042 Combine
- John Deere 1052 Combine
- John Deere 1055 Combine
- John Deere 1065 Combine
- John Deere 1068H Combine
- John Deere 1072 Combine
- John Deere 1075 Combine
The John Deere AH21346 knife head connects the knife drive to the cutterbar on 900 and 1000 series combine headers, converting rotational drive motion into reciprocating cutting action. Manufactured to OEM specifications from heat-treated forged steel, the assembly features a 9-hole mounting pattern, M16x1.5 external thread for stabilizer attachment, and a tapered knife interface (22.4-20 mm diameter, 32.4 mm length). The unit includes a lubrication fitting and protective coating for corrosion resistance. Direct replacement for OEM AH21346 and 84998148, compatible with John Deere combine models 730, 925-985, and 1032-1075 series platforms.
