New Holland 451, 456 PTO Sickle Mower Parts

New Holland® is a Registered Trademark of CNH Industrial America LLC which does not manufacture or endorse these parts.

It would be data-prohibitive to list each individual part with shipping. Therefore, shipping & handling is based on an average purchase of a few small parts. We do charge a minimum of $14.50 flat base rate on all items regardless of the size. This is to cover the cost of processing, pack, drop-ship, and actual shipping charges.

Additional shipping may be required for larger orders including truck freight. We will let you know if additional shipping will be needed. If you checkout using PayPal, we can send you an invoice if needed. Otherwise, we will also need to have credit card information as our system does not store it with the order.

Please expect 1-4 weeks for the parts to ship. The Amish shops do not use computers or more modern communication, so orders take a bit longer to receive, package, and ship. We are not able to maintain an electronic inventory of parts either as the shops also sell to Amish machine shops across the country. Occasionally new parts will need to be made before the order can be shipped.

Prices are subject to change without notice.

Please select one part per page.  Add it to the cart and then return for more parts on the same page.

Page 1

JM100 1-1/4” Breakaway Pin

JM101 1-1/8” Breakaway Pin

JM888 Slotted nut for breakaway pins

JM116311 Slotted nut

JM127033 Pivot Weld Assembly uses JM280293 pivot weld bolt (included) 

*JM280293 pivot weld bolt

JM127037 3-Pt Short 43" mower cable for 450 & 451 mowers with JM127042A cable inserts. It does not include the inner bushing that fits inside the insert JM127038

JM1270038 cable insert is listed as JM127042A in the catalog. It does not include the inner bushing that fits inside the insert JM127038

JM127042- 75-3/4" Mower cable long for 455 & 456 mowers with JM127042A cable inserts. It does not include the inner bushing that fits inside the insert JM127038

JM127038 Inner bushing fits inside JM127042A to accept the bolt.

JM127610 Knife Head Bushing

JM132027 Pin

JM143615 Clamp for steel dividing board

JM143616 Grass Rod for steel dividing board

JM143617 Grass Rod

JM172197 Crimper Hitch on mower

JM172208 Outer Wear Shoe

JM172438 Eye

JM174232 9’ Bar Support

JM178677 Breakaway Arm

Page 2

JMFF2014 Mower Guard with raised ledger (heat treated)

JM218 DH Mower Guard (double heat treated, high quality)

JM228430 9’ Knife Back (bolt-on style) (Available for Pickup Only in PA, Cost Prohibitive to ship even truck freight)

JM228431 7’ Knife Back (bolt-on style) (Can be shipped UPS, expect up to $75)

JM244271 Bottom Mower Part (inner shoe Assembly)

JM244273 Outer Show Assembly with ledger plate installed.

JM258452 9’ Bar (Available for Pickup Only in PA, Cost Prohibitive to ship even truck freight)

JM258454 7’ Bar (Can be shipped UPS, expect up to $100)

JM26616 Wear Plate (use 9 pc for 7’ bar) (use 11 pc for 9’ bar) priced per each

JM280293 Pivot Bolt (used on JM127033 assembly)

JM280667 Tilt Lok Bolt

JM36723 Timken Race (LM67010) (goes with 67048 bearings)

JM36723 China Race (LM67010)

Page 3

JM36726 Timken Bearing (LM67048)

JM36726 China Bearing (LM67048)

JM36951 Aftermarket Replacement Bushing

JM39665 RH Ledger Plate (with 1 long and 1 short bolt)

JM36989 J-Bolt Rocker

JM38391 Dividing Board Spring

JM392 Modified Shaft (uses C75 pulley)

JM455456 Head Conversion Kit (convert from 455 to 456 heads) Also fits 451 mowers as a replacement

JM456 Head Bearing-Races Kit (includes crankshaft bearing and seal)

JM456PA Push Arch only (replacement on push bar ASSY)

JM46876 Aftermarket oil seal

JM63725 Pin Hitch

Page 4

JM63752 Push Bar Tilt Lock

JM63753 Straight Hay Guide Rod (top)

JM63762 J-Bolt for Pulley Tightener

JM63771 Clevis Weld Assembly (with welded nut inside)

JM63777A Clevis with pin

JM63800 Ball Pivot

JM63815 Spring Nut

JM63828 Pin

JM63867 Swath Board Part

JM63869 LH Ledger Plate (with 2 long bolts)

JM63871 Bent Hay Guide Rod (bottom)

JM63881 Front Head Frame

JM63881A Frame Pin Only

JM63904A Aftermarket Replacement Bushing

Page 5

JM63905 Clamp

JM64126 Cable Pulley

JM64126A Old Style Cable Pulley Bushing 13/16"

JM64127  New Style Cable Pulley Bushing 15/16"

JM64353 Pin

JM65518 Link Assembly

JM65804 Rear Pulley Shield

JM65845 Shield Weld Assembly

JM692916 Bush Bar Assembly with bushing

JM692917 Link Weld Assembly

JM8000 Guard Bolts and Nuts (Package for 9’ bar)

JM8001 Guard Bolts and Nuts (Package for 7’ bar)

Page 6

JM8002 C45-0040 Adjustable Hold Down

JM8003 9’ Bar Rebuild Kit with SCH Knife (includes guards, bolts, hold downs, wear plates, shims, blades, and knife head) Does not include the knife back due to shipping cost.

JM8005 SF 1-3/4 Pulley Bushing

JM8006 C75 Pulley (rear of mower for the C96 or C93 Belt

JM8007 JM Mower-Wood Dividing Board

JM8008 Mower-Steel Dividing Board

JM8009 2 x 8 Lift Cylinder

The following parts are for Amish conversion to use a gas motor drive in place of tractor PTO

JM8010 5-gallon Gas Tanks for gas engine-powered mowers

JM8010A 5-gallon side mount gas tanks for BZ Clutches

JM80100 Mower Bolt

Page 7

JM8011 29 HP Vanguard with BZ Belt Clutch with Hydraulics (Photo not available)

JM8012 BZ Belt Clutch Only

JM8012A 29 HP Vanguard

JM8012B 35 HP Vanguard

JM8012C Vanguard Mufflers

JM8013 C96 Belt for Mower Drive

JM8014 C95 Belt for Mower Drive

JM8015 C93 Belt for Mower Drive

JM8016 Complete New Mower Frame

JM8016A Lug Wheels

JM8017 Honda Engine with Belt Clutch and Hydraulics (bolts to mower frame)

JM8017A Joel King Hydraulic Pump (LH or RH)

JM80102 Hydraulic filter for pump

JM80102 Hydraulic filter head for pump

JM8018 Custom Hydraulic Hoses (Contact Us)

Page 8

JM8019 LH mower Torsion Axle (bolts on, no welding)

JM8019 RH mower Torsion Axle (bolts on, no welding)

JM8020 Ledger Plate Bolt and Nut Only (sold each)

JM8021 JMH15-0677 Knife Head Double Blade with Bushing

JM8022 DS Knife Blade Bolts for 9’ bar

JM8023 JM Seven for 7’ bar

JM8023AB Bolt Only 5/8” x 1” -1-1/4”

JM8023BN Nut Only

JM8024 Lift Assembly to put a cylinder on the rear

JM8027 R Sections S20-4639 Fine Serrated-Tiger Jaw (Package of 10)

JM8028 R+ Sections S20-4317 Coarse Serrated-Tiger Jaw (Package of 10)

JM8029 S20-4268 Single Blade Knife Section (Super 7) (Package of 10)

JM8030 SCH Sections (package of 10  (7’ takes 30) (9’ takes 40)

JM8031 S35-2289 7’ Super seven single blade knife (complete)

JM8032 S35-2362 7’ Course Tiger Jaw Knife Complete

JM8033 SCH Knife 7’ Complete

JM8034 9’ Knife Complete Tiger Jaw (Available for Pickup Only in PA, Cost Prohibitive to ship even truck freight)

JM8034 9’ Knife Complete Coarse  (Available for Pickup Only in PA, Cost Prohibitive to ship even truck freight)

JM8034 9’ Knife Complete Fine (Available for Pickup Only in PA, Cost Prohibitive to ship even truck freight)

JM8034 9’ Knife Complete SCH (Available for Pickup Only in PA, Cost Prohibitive to ship even truck freight)

Page 9

JM84389548 DS Red Hold Down (7 for 7' Bar, 9 for 9' Bar)

JM850137 Long Outer Hold Down (use on the far end of the bar)

JM858740 Knife Head, Single Blade with Bushing

JM86503333 Spline Yoke

JM86527961 Inner Wear Shoe

JM86622662 Hold Down Shim .03" thick.

JM86622662 Hold Down Shim .06" thick.

JM86622662 Hold Down Shim .10" thick.

JM86622662 Hold Down Shim .12" thick.

JM87013818 F-Bracket Roll Pin

JM87517382 High Inner Hold Down (use on bar end closest to head)

JM9617871 Mower Quadrant  (Not Pictured)

JM9809671 Tractor Yoke Pin (Not Pictured)

JM8025 New Poly Dividing Board with triple guard (Not Pictured)

Mower Head Parts

1- JM65548 1 HOUSING – Support Housing Assy

2- JM36723 1 BEARING CUP – Timken LM67010

3- JM86516467 1 BEARING CUP – Timken LM48510

4- JM172396 1 CRANKSHAFT – Assy., Includes Ref. 5

5- JM172397 1 PIN – 24.5mm OD x 100.01mm L-Crank Pin (Can be pressed in or heat shrunk)

6- JM86052 1 ROLLER BEARING – with Built-on Oil Seal LM48500 LA Timken

7-JM36726 1 BEARING CONE – LM67048 Timken

8- JM181991 1 OIL SEAL

9- JM67437 1 SLOTTED NUT

10- JM280462 1 PIN – 1/8" x 2", Coiled

11- JM130585 1 PULLEY – Sheave Assy., Includes Ref. 10 - Pin

12- JM86541779 1 WASHER – 0.53" ID x 1.31" OD x 0.24" Thk. – ½" ID x ¼" Thk

13- JM80679 1 LOCK WASHER – 1/20.507 CST ZND – Washer, Lock, ½"

14- JM88338 1 BOLT – Hex 1/2" - 20x 1½", GR 5-Screw Cap, HH, G5

15- JM63843 2 SHIM – .010" Thk

16- 63881 1 PLATE – Support Plate Weld Assy., Front

       JM280420 2 CARRIAGE BOLTS – Sq. Nk, ½" - 13 x 1½", Gr 5, Full Trd. - Bolt, Carriage, G5, ½'-13 x 1½'

       JM80679 2 LOCK WASHER – 1/20.507CST ZND – Washer, Lock, ½"

       JM280431 2 NUT – 1⁄2" - 13, G5

17- JM63848 1 SHIM – .010" Thk

20- JM88182 1 COTTER PIN – 1/4" OD x 2" L-Pin, Split (Cotter), 1/4" x 2"

21- JM784859 1 PLATE – Rear

22- JM784858 1 PLATE – Front

23- JM172391 2 PIN – Weld Assembly

23a- JM86729275 4 LOCK WASHER – 5/8" ID x 0.634" OD x .156" Thk. - Washer, Lock, 5/8"

23b- JM408 4 NUT – 5/8" - 18, Gr 5- G5, 5/8"-18

24- JM172433 10 SHIELD

25- JM36725 10 BEARING CUP – LM11910 Timken

26- JM36724 10 BEARING CONE – LM11949 Timken

27- JM172395 2 CONNECTING LINK – Link, Pivot

       JM87415 4 LUBE NIPPLE – 90 Degree, 1/4" NPT x 3/4" L, Drive – Nipple

28- JM87313 5 JAM NUT – 3/4" x 16

29- JM172434 2 BUSHING

30- JM143517 3 WHEEL NUT – Wheel, 3/4"-16

31- JM172390 1 CONNECTING LINK

       JM87569 2 LUBE NIPPLE - 45 Degree, 1/4" NPT

32- JM132709 2 BEARING CUP – L44610 Timken

33- JM132710 2 BEARING CONE – L44643 Timken

34- JM767247 2 SHIELD

35- JM603373 1 JAM NUT – Slotted, 1" - 14, Gr 2-

36- JM80754 1 COTTER PIN – 3/16" OD x 11/2" OAL - Pin, Split

37- JM88849 1 BOLT – Hex, 1/2" - 20 x 3", Gr 5-Screw, Cap

      JM80679 1 LOCK WASHER – WASHER, LOCK, 1/2"

     JM208963 1 NUT – Nut, 1/2-20 GR 5 ZND

38- JM605205 1 WEDGE, DRIVE LOCK

39- JM172204 1 SHIELD

      JM87363 1 WASHER – 0.47" ID x 0.92" OD x 0.07" Thk. – SAE, 7/16"

     JM80756 1 COTTER PIN – 1/8" x 3/4" – PIN, SPLIT (COTTER)

40- JM29790 1 NUT – 1/2" – 20- Hub Bolt

41- JM127025 1 SUPPORT ASSEMBLY – with JM63904 Bushing