Shop by Brand

New Holland Agriculture
New Holland Construction
All brands
All models

Help & Support

Shipping & Delivery
Payment Methods
Return Policy
Order Information
Contact

Visit Us

31 Meadow StClinton, NY 13323

Closed · opens Mon 7:30 AM

Follow Us

Clinton Tractor & Implement Co.Since 1953All rights reserved © 2026

Privacy Policy Terms of Service

Skip to content

Parts Store Parts Diagrams

Search by manufacturer, assembly, or parts⌘K

/

/

·

⌘K

1M644 · New Holland | CROP

Parts
New Holland

1M644

Part #1M644

About this part

Brand

New Holland

Part Number

1M644

SKU

CT-NHL-1M644

Category

Warning

For California Residents Only: Cancer and Reproductive Harm www.p65warnings.ca.gov

Availability pending

We're confirming stock and pricing for this part. Contact our parts counter to reserve it.

support@clintontractor.net · (315) 853-6151

This Part Fits

Parts Diagrams

Most Popular New Holland Parts

Top 6 of 186 best sellers

Oil, Hydraulic — New Holland — 73341774

PN: 73341774

Ask for a price

Wet Battery 12V,'' 300 Cca'','' 5-13/16'' W x 7-5/16'' H x 7-3/4'' L'' — fits 43 New Holland models — F350DSW

Wet Battery 12V,'' 300 Cca'','' 5-13/16'' W x 7-5/16'' H x 7-3/4'' L'' — fits 43 New Holland models — F350DSW

PN: F350DSW

Hydraulic Oil — New Holland — 73344274

PN: 73344274

Hydraulic Oil — New Holland — 73344268

PN: 73344268

Attachment Long Tine for New Holland E57C / E60C — 48058021

PN: 48058021

Wet Battery 12V,'' 1200 Cca'','' 8-1/8'' W x 8-1/8'' H x 20'' L'' — fits 121 models across the CNH lineup — F150DSW

Wet Battery 12V,'' 1200 Cca'','' 8-1/8'' W x 8-1/8'' H x 20'' L'' — fits 121 models across the CNH lineup — F150DSW

PN: F150DSW

Often Bought Together

Service Manuals

Manual Pages

Related Shorts

Related Videos

Related Shorts

15

From Above: New Holland The T6.180 Carves a Hayfield Clean #shorts

From Above: New Holland The T6.180 Carves a Hayfield Clean #shortsClinton Tractor & Implement Co.

Watch the New Holland B115D Switch Between Two Jobs Without Stopping #shorts

Watch the New Holland B115D Switch Between Two Jobs Without Stopping #shortsClinton Tractor & Implement Co.

Watch the New Holland E70D Rip Out a Stump in Under a Minute #shorts

Watch the New Holland E70D Rip Out a Stump in Under a Minute #shortsClinton Tractor & Implement Co.

The New Holland T6.160 Rolls Through Hay Season Like It Owns the Field #shorts

The New Holland T6.160 Rolls Through Hay Season Like It Owns the Field #shortsClinton Tractor & Implement Co.

Watch the New Holland T6.180 Tear Through Waist-High Grass #shorts

Watch the New Holland T6.180 Tear Through Waist-High Grass #shortsClinton Tractor & Implement Co.

Watch the FR550 Reload a Wagon Without Stopping #shorts

Watch the FR550 Reload a Wagon Without Stopping #shortsClinton Tractor & Implement Co.

She’s not my only one…

She’s not my only one…Clinton Tractor & Implement Co.

The New Holland W100D Scoops and Loads Like It's Nothing #shorts

The New Holland W100D Scoops and Loads Like It's Nothing #shortsClinton Tractor & Implement Co.

This New Holland Articulated Loader Timelapse Hits Hard | Spring Is Almost Here"

This New Holland Articulated Loader Timelapse Hits Hard | Spring Is Almost Here"Clinton Tractor & Implement Co.

How the FR550 Gets a Perfect Chop Every Time #shorts

How the FR550 Gets a Perfect Chop Every Time #shortsClinton Tractor & Implement Co.

New Holland T7 Triple Mower Setup Timelapse is NO Joke | Spring Is HERE #shorts

New Holland T7 Triple Mower Setup Timelapse is NO Joke | Spring Is HERE #shortsClinton Tractor & Implement Co.

Watch the New Holland B115D Cut a Trench Straight Through the Dirt #shorts

Watch the New Holland B115D Cut a Trench Straight Through the Dirt #shortsClinton Tractor & Implement Co.

New Holland Boomer 55 — Property Powerhouse | On Our Lot Series #shorts

New Holland Boomer 55 — Property Powerhouse | On Our Lot Series #shortsClinton Tractor & Implement Co.

Watch This Harvester DEVOUR Entire Fields in Seconds

Watch This Harvester DEVOUR Entire Fields in SecondsClinton Tractor & Implement Co.

Watch This Boomer 40 Sweep a Roadside Clean in Seconds #shorts

Watch This Boomer 40 Sweep a Roadside Clean in Seconds #shortsClinton Tractor & Implement Co.

Related Videos

5

Baling Light Windrows: T7.175 + Roll-Belt 451 Tackle Second Cut Hay

Baling Light Windrows: T7.175 + Roll-Belt 451 Tackle Second Cut HayClinton Tractor & Implement Co. · 17:21

New Holland T9 & Harvester Working Hard — Harvest Season in Central New York | Clinton Tractor

New Holland T9 & Harvester Working Hard — Harvest Season in Central New York | Clinton TractorClinton Tractor & Implement Co. · 19:40

Watch This New Holland W80C Crush Through Spring Cleanup in Clinton, NY

Watch This New Holland W80C Crush Through Spring Cleanup in Clinton, NYClinton Tractor & Implement Co. · 6:03

Inside the Shop: T5s, PowerStars, and Kinze Planters Before Spring Hits

Inside the Shop: T5s, PowerStars, and Kinze Planters Before Spring HitsClinton Tractor & Implement Co. · 6:36

INSANE Equipment Drop at the 2026 Farm Show — You Have to See This

INSANE Equipment Drop at the 2026 Farm Show — You Have to See ThisClinton Tractor & Implement Co. · 11:05

Found on 1 parts diagram

OIL PUMP GROUP, 4N733, REMANUFACTURED OR918

Ref 2 · 13 hotspots

Complete MachineCATERPILLAR TURBOCHARGED 6 CYL DIESEL ENGINE

OIL PUMP GROUP, 4N733, REMANUFACTURED OR918

Similar Parts

442677A1

44927362

2 Mid Mounts — New Holland — 719124727

73344306

Gear Oil — New Holland — 73344310

Gear Oil — New Holland — 73344311

50' Grapple Bucket — New Holland — 91876080

48' Pallet Fork — New Holland — 92070376

92123710