Shopping Cart

0 item(s)

Your cart is empty

Continue Shopping
Successfully added to cart!
fits John Deere
Login or register to save to your bulletin board
Crankshaft Gear for John Deere R100850

Crankshaft Gear for John Deere R100850

See if this fits your application
SKU: NR100850
$22150
Best Price Promise!

Our Best Price Promise

Found the same part somewhere else for less? Send us the link and we’ll beat that price by 5%. We’ve been doing this since 1975, and we’d rather earn your business than lose it over a few dollars.

Applies to in-stock items of the same brand and condition from another supplier. Price matching applies to the part price only and does not apply to core charges, where applicable. Requesting a price match is not a commitment to purchase anything. Pricing will be verified prior to purchase. Some restrictions or limitations may apply.

Part:

Thanks! We’ve got your request and a member of our team will be in touch within one business day with our best price.

Out of Stock
Currently unavailable
Condition: New Aftermarket
Cross-References: 1200900, 14010155, 33208, 551115, HCRNR100850, P551115, R100850
The RF Engine Advantage
Family Operated Since 1975

Original Equipment Quality

Parts that meet or exceed OEM specifications. Guaranteed performance you can trust. Reliability built into every component.

100+ Years of Expertise

A century of collective diesel knowledge and 10+ acres of engines and engine parts, we are more than just an online reseller or call center. We know heavy-duty diesel.

Here for the Long Haul

Same location and same phone number for the last 50 years. Same commitment to getting you the right parts at the right price.

New, Reman, & Used

RF Engine offers an expansive offering of new aftermarket, remanufactured, and used engines and engine parts all under one roof.

Details

spur, 24 tooth

John Deere 240 Skid Loader w/ 3029DKV54/55 w/ 3029D PowerTech engine
John Deere 3029DF120 Power Unit After ESN 252767 w/ 3029D PowerTech engine
John Deere 5205 Tractor w/ 3029D PowerTech engine
John Deere 5210 Tractor w/ 3029D PowerTech engine
John Deere 5220 Tractor w/ 3029D PowerTech engine
John Deere 3029DF152 Power Unit w/ 3029D PowerTech engine
John Deere 3029DF180 Power Unit w/ 3029D PowerTech engine
John Deere 3029DF151 Power Unit w/ 3029D PowerTech engine
John Deere 5105 Tractor w/ 3029D PowerTech engine
John Deere 5310 Tractor w/ 3029D PowerTech engine
John Deere 240-II Skid Loader w/ 3029DKV54/55 w/ 3029D PowerTech engine
John Deere 3029DF150 Power Unit w/ 3029D PowerTech engine
John Deere 5200 Tractor After ESN 262108 w/ 3029D PowerTech engine
John Deere 5310N Tractor w/ 3029D PowerTech engine
John Deere 3029TF180 Power Unit w/ 3029T PowerTech engine
John Deere 240 Skid Loader w/ 3029DKV50/51 w/ 3029D PowerTech engine
John Deere 5410 Tractor w/ 3029T PowerTech engine
John Deere 5400 Tractor w/ 3029T PowerTech engine
John Deere 5320N Tractor w/ 3029T PowerTech engine
John Deere 260-II Skid Loader w/ 3029T PowerTech engine
John Deere 3029TF Power Unit Saran w/ 3029T engine
John Deere 8875 Skid Loader Thru ESN 264812 w/ 3029T engine
John Deere 260 Skid Loader w/ 3029T PowerTech engine
John Deere 250-II Skid Loader w/ 3029T PowerTech engine
John Deere 5320 Tractor w/ 3029T PowerTech engine
John Deere 3029TF270 Power Unit w/ 3029T PowerTech engine
John Deere 5315V Tractor w/ 3029T PowerTech engine
John Deere 3029TF158 Power Unit w/ 3029T PowerTech engine
John Deere 3029TF152 Power Unit w/ 3029T PowerTech engine
John Deere 3029TF150 Power Unit w/ 3029T PowerTech engine
John Deere 3029TF120 Power Unit w/ 3029T PowerTech engine
John Deere 5215 Tractor w/ 3029T PowerTech engine
John Deere 5310 Tractor w/ 3029T PowerTech engine
John Deere 5215F Tractor w/ 3029T PowerTech engine
John Deere 5310N Tractor w/ 3029T PowerTech engine
John Deere 5215V Tractor w/ 3029T PowerTech engine
John Deere 250 Skid Loader w/ 3029T PowerTech engine
John Deere 3029TF160 Power Unit w/ 3029T PowerTech engine
John Deere 5410N Tractor w/ 3029T PowerTech engine
John Deere 5300 Tractor After ESN 291222 w/ 3029D PowerTech engine
John Deere 5315 Tractor w/ 3029T PowerTech engine
John Deere 3029DF160 Power Unit After ESN 252767 w/ 3029D PowerTech engine
John Deere 8875 Skid Loader After ESN 264812 w/ 3029T PowerTech engine
John Deere 3110 Tractor After ESN 384505 w/ 3029D PowerTech engine
John Deere 3029DF128 Power Unit After ESN 252767 w/ 3029D PowerTech engine
John Deere 5300N Tractor w/ 3029D PowerTech engine
John Deere 5300 Tractor Thru ESN 291222 w/ 3029D PowerTech engine
John Deere 3029DF160 Power Unit Thru ESN 252767 w/ 3029D PowerTech engine
John Deere 5200 Tractor Thru ESN 262108 w/ 3029D PowerTech engine
John Deere 3029DF120 Power Unit Thru ESN 252767 w/ 3029D PowerTech engine
John Deere 5400N Tractor w/ 3029T PowerTech engine
John Deere 3029TF120 Power Unit w/ 3029T PowerTech engine
John Deere 5315F Tractor w/ 3029T PowerTech engine
John Deere 3029DF Power Unit Saran ESN 100000-263023 (Piston Code 4801) w/ 3029D engine
John Deere 290D Excavator After ESN 299999 w/ 4039D engine
John Deere 5500N Tractor w/ 4039T engine
John Deere 310D Backhoe Loader w/ 4039T engine
John Deere 6300 Tractor w/ 4039T engine
John Deere 5500 Tractor w/ 4039T engine
John Deere 310C Backhoe Loader After ESN 299999 w/ 4039D engine
John Deere 315C Backhoe Loader After ESN 299999 w/ 4039D engine
John Deere 310D Backhoe Loader w/ 4039D engine
John Deere 6000 Sprayer After ESN 302609 w/ 4039D engine
John Deere 4039DF Power Unit Saran w/ 4039D engine
John Deere 190E Excavator w/ 4039D engine
John Deere 400G Crawler After ESN 299999 w/ 4039D engine
John Deere 3430 Windrower After ESN 299999 w/ 4039D engine
John Deere 482C Forklift After ESN 299999 w/ 4039D engine
John Deere 300D Backhoe Loader w/ 4039D engine
John Deere 210C Backhoe Loader After ESN 299999 w/ 4039D engine
John Deere 6200 Tractor w/ 4039T engine
John Deere 315D Backhoe Loader w/ 4039D engine
John Deere 70D Excavator After ESN 299999 w/ 4039D engine
John Deere 6300L Tractor w/ 4039T engine
John Deere 4039DF Power Unit Dubuque Thru ESN 699999 w/ 4039D engine
John Deere 6100 Sprayer w/ 4039T engine
John Deere 6200L Tractor w/ 4039T engine
John Deere 3830 Windrower After ESN 299999 w/ 4039T engine
John Deere 6500 Sprayer w/ 4039T engine
John Deere 6600 Sprayer w/ 4039T engine
John Deere 4039TF Power Unit Dubuque Thru ESN 699999 w/ 4039T engine
John Deere 4039TF Power Unit Saran w/ 4039T engine
John Deere 310C Backhoe Loader After ESN 299999 w/ 4039T engine
John Deere 315D Backhoe Loader w/ 4039T engine
John Deere 315C Backhoe Loader After ESN 299999 w/ 4039T engine
John Deere 4039DFM Power Unit Dubuque Marine w/ 4039D engine
John Deere 490D Excavator After ESN 299999 w/ 4045D engine
John Deere 540D Log Skidder After ESN 299999 w/ 4045T engine
John Deere 450G Crawler ESN 300000-742459 w/ 4045T engine
John Deere 510D Backhoe Loader w/ 4045T engine
John Deere 510C Backhoe Loader After ESN 299999 w/ 4045T engine
John Deere 410D Backhoe Loader w/ 4045T engine
John Deere 444E Wheel Loader After ESN 299999 w/ 4045T engine
John Deere 4045TFM Power Unit Dubuque w/ 4045T engine
John Deere 4045DF Power Unit Dubuque w/ 4045D engine
John Deere 4045DF Power Unit Saran w/ 4045D engine
John Deere 495D Excavator After ESN 299999 w/ 4045T engine
John Deere 450G Crawler ESN 300000-742459 w/ 4045D engine
John Deere 410D Backhoe Loader w/ 4045D engine
John Deere 410C Backhoe Loader After ESN 299999 w/ 4045D engine
John Deere 344E Wheel Loader After ESN 299999 w/ 4045D engine
John Deere 455G Crawler ESN 300000-742459 w/ 4045D engine
John Deere 4045TF Power Unit Dubuque w/ 4045T engine
John Deere 490E Excavator w/ 4045T engine
John Deere 455G Crawler ESN 300000-742459 w/ 4045T engine
John Deere 540E Log Skidder Thru ESN 383839 w/ 4045T engine
John Deere 4045TF Power Unit Saran w/ 4045T engine
John Deere 410C Backhoe Loader After ESN 299999 w/ 4045T engine
John Deere 590D Excavator After ESN 299999 w/ 4045T engine
John Deere 6500 Tractor w/ 4045T engine
John Deere 6400L Tractor w/ 4045T engine
John Deere 650G Crawler ESN 300000-742459 w/ 4045T engine
John Deere 595D Excavator After ESN 299999 w/ 4045T engine
John Deere 344G Wheel Loader w/ 4045T engine
John Deere 493D Feller Buncher After ESN 299999 w/ 4045D engine
John Deere 6400 Tractor w/ 4045T engine
John Deere 555G Crawler ESN 300000-742459 w/ 4045T engine
John Deere 548E Log Skidder Thru ESN 383839 w/ 4045T engine
John Deere 550G Crawler ESN 300000-742459 w/ 4045T engine
John Deere 6500L Tractor w/ 4045T engine
John Deere 444G Wheel Loader w/ 4045T engine
John Deere 440D Log Skidder Late w/ 4045T engine
John Deere 7445 Cotton Stripper After ESN 299999 w/ 6059T engine
John Deere 7450 Cotton Stripper w/ 6059T engine
John Deere 6059DF Power Unit Dubuque w/ 6059D engine
John Deere 6059DF Power Unit Saran w/ 6059D engine
John Deere 544GH Wheel Loader w/ 6059T engine
John Deere 570B Grader After ESN 299999 w/ 6059T engine
John Deere 6059TF Power Unit Dubuque w/ 6059T engine
John Deere 710C Backhoe Loader After ESN 299999 w/ 6059T engine
John Deere 544EH Wheel Loader After ESN 299999 w/ 6059T engine
John Deere 544G Wheel Loader w/ 6059T engine
John Deere 540G Log Skidder Thru ESN 701059 w/ 6059T engine
John Deere 710D Backhoe Loader Thru ESN 713822 w/ 6059T engine
John Deere 548G Log Skidder Thru ESN 701059 w/ 6059T engine
John Deere 548E Log Skidder After ESN 396257 w/ 6059T engine
John Deere 9930 Cotton Picker After ESN 299999 w/ 6059T engine
John Deere 544E Whe

OEM Part Number Cross Reference(s): R100850


Our aftermarket replacement parts are built to OEM-equivalent standards. They have been produced to meet or exceed original equipment specifications for material quality, dimensional tolerance, and field durability — the same rigors the factory part is designed to handle. The result is a component that installs like factory, performs like factory, and delivers long service life without the dealer price tag.

Fitment Guide

Backhoe Loaders (12)
John Deere 210C
John Deere 300D
John Deere 310C
John Deere 310D
John Deere 315C
John Deere 315D
John Deere 410C
John Deere 410D
John Deere 510C
John Deere 510D
John Deere 710C
John Deere 710D
Cotton Pickers (1)
John Deere 9930
Cotton Strippers (2)
John Deere 7445
John Deere 7450
Crawlers (6)
John Deere 400G
John Deere 450G
John Deere 455G
John Deere 550G
John Deere 555G
John Deere 650G
Excavators (8)
John Deere 190E
John Deere 290D
John Deere 490D
John Deere 490E
John Deere 495D
John Deere 590D
John Deere 595D
John Deere 70D
Feller Bunchers (1)
John Deere 493D
Forklifts (1)
John Deere 482C
Graders (1)
John Deere 570B
Log Skidders (6)
John Deere 440D
John Deere 540D
John Deere 540E
John Deere 540G
John Deere 548E
John Deere 548G
Power Units (24)
John Deere 3029DF
John Deere 3029DF120
John Deere 3029DF128
John Deere 3029DF150
John Deere 3029DF151
John Deere 3029DF152
John Deere 3029DF160
John Deere 3029DF180
John Deere 3029TF
John Deere 3029TF120
John Deere 3029TF150
John Deere 3029TF152
John Deere 3029TF158
John Deere 3029TF160
John Deere 3029TF180
John Deere 3029TF270
John Deere 4039DF
John Deere 4039DFM
John Deere 4039TF
John Deere 4045DF
John Deere 4045TF
John Deere 4045TFM
John Deere 6059DF
John Deere 6059TF
Skid Loaders (7)
John Deere 240
John Deere 240-II
John Deere 250
John Deere 250-II
John Deere 260
John Deere 260-II
John Deere 8875
Sprayers (4)
John Deere 6000
John Deere 6100
John Deere 6500
John Deere 6600
Tractors (43)
John Deere 3110
John Deere 5045D
John Deere 5045E
John Deere 5055D
John Deere 5055E
John Deere 5065E
John Deere 5075E
John Deere 5103
John Deere 5105
John Deere 5200
John Deere 5203
John Deere 5205
John Deere 5210
John Deere 5215
John Deere 5215F
John Deere 5215V
John Deere 5220
John Deere 5300
John Deere 5300N
John Deere 5303
John Deere 5310
John Deere 5310N
John Deere 5315
John Deere 5315F
John Deere 5315V
John Deere 5320
John Deere 5320N
John Deere 5400
John Deere 5400N
John Deere 5403
John Deere 5410
John Deere 5410N
John Deere 5500
John Deere 5500N
John Deere 6200
John Deere 6200L
John Deere 6300
John Deere 6300L
John Deere 6400
John Deere 6400L
John Deere 6500
John Deere 6500L
John Deere 7200
Wheel Loaders (8)
John Deere 344E
John Deere 344G
John Deere 444E
John Deere 444G
John Deere 544E
John Deere 544EH
John Deere 544G
John Deere 544GH
Windrowers (2)
John Deere 3430
John Deere 3830
Engines (14)
John Deere 3029D, 3029T PowerTech | Late SN, Naturally Aspirated & Turbocharged, Piston Marked RE520573, 32mm Piston Pin
3-cyl • Diesel
John Deere 6059T | Turbocharged / Aftercooled (5.9 Liter), .312" Valve Stem Diameter, 1.625" Piston Pin, 7.720" Sleeve Length
6-cyl • Diesel
John Deere 6059D | Naturally Aspirated (5.9 Liter), .312" Valve Stem Diameter, 1.375" Piston Pin, 7.720" Sleeve Length
6-cyl • Diesel
John Deere 4045T | Turbocharged, 1.625" Piston Pin, 8.58" Length Sleeve, .312" Valve Stem Diameter
4-cyl • Diesel
John Deere 4045D | Naturally Aspirated, 1.625" Piston Pin, 8.58" Length Sleeve, .312" Valve Stem Diameter
4-cyl • Diesel
John Deere 4039T | Turbocharged, Aftercooled 3.9 liter, 1.625" Piston Pin, 7.72" Sleeve Length, .375" Valve Stem Diameter
4-cyl • Diesel
John Deere 4039D | Naturally Aspirated 3.9 liter, 1.375" Piston Pin, 7.72" Sleeve Length, .375" Valve Stem Diameter
4-cyl • Diesel
John Deere 3029T PowerTech | Late SN, Turbocharged, Piston Marked RE500211, 41mm Piston Pin, Connecting Rod C/N R105011, R501073
3-cyl • Diesel
John Deere 3029D PowerTech | Late SN, Naturally Aspirated, Piston Marked RE500210, 32mm Piston Pin, Connecting Rod C/N R121092, R501072
3-cyl • Diesel
John Deere 3029T PowerTech | Turbocharged, Piston Marked RE40557, RE61270, RE500211, 41mm Piston Pin, Connecting Rod C/N R105011, R501073
3-cyl • Diesel
John Deere 3029D PowerTech | Mid SN, Naturally Aspirated, Piston Marked RE61467, 32mm Piston Pin, Connecting Rod C/N R121092, R501072
3-cyl • Diesel
John Deere 3029D PowerTech | Early SN, Naturally Aspirated, Piston Marked RE45323, 35mm Piston Pin, tapered Connecting Rod C/N R107180
3-cyl • Diesel
John Deere 3029T | Turbocharged, Piston Marked RE48368, 1.625" Piston Pin, 7.72" Sleeve Length, .312" Valve Stem Diameter
3-cyl • Diesel
John Deere 3029D | Naturally Aspirated, 1.375" Piston Pin, Connecting Rod C/N R80034 straight, .312" valve stem
3-cyl • Diesel
While every effort has been made to ensure the accuracy of the fitment information listed above, it is ultimately the responsibility of the installing mechanic to perform a side-by-side comparison of the replacement part with the original to verify proper fit before installation. RF Engine is not liable for labor or consequential damages resulting from incorrect application.

Warranty Information

Reliance Power Parts Warranty Policy

The Reliance Power Parts (RPP) warranty policy covers parts and labor necessary to repair a warrantable failure to the functional condition of the application that existed immediately prior to the failure, as detailed below. This warranty applies to direct customers of RPP only and is non-transferable.


Coverage Periods

  • New Internal Engine Parts (Ag/Industrial): 1 year from invoice date, unlimited miles/hours
  • Engine Overhaul Kits (Heavy-Duty On-Highway): 2 years from invoice date, unlimited miles/hours
  • New Engine Accessories: 1 year from invoice date, parts replacement only
  • Remanufactured Engine Accessories: 6 months from invoice date, parts replacement only
  • Remanufactured Engine & Drivetrain Parts: 6 months from invoice date, parts replacement only
  • Drivetrain Parts: 1 year from invoice date, parts replacement only
  • Complete Engines & New Long Blocks (Reliance Manufactured): 6 months from invoice date, parts replacement only
  • Remanufactured Long/Short Blocks & New Short Blocks (Reliance Manufactured): 90 days from invoice date, parts replacement only

Engine accessories include turbochargers, fuel injectors, hydraulic pumps, engine oil pumps, oil coolers, water pumps, and electrical components.


Manufacturer's Warranty Items

To serve a wider application base, RPP offers lower volume, rare application, and remanufactured parts from a variety of manufacturers. These parts will be noted on your invoice as subject to a "Manufacturer's Warranty" policy and are not covered under this policy. Engines, long blocks, medium blocks, and short blocks produced by any company other than Reliance are solely covered by the manufacturer's warranty. Contact your Reliance representative for details.


Parts & Labor Coverage

  • Parts: Covered at current customer pricing using new or remanufactured RPP approved parts
  • OEM/Outside Parts: When RPP parts are available, OEM parts will be credited at RPP pricing. Parts not available from RPP will be covered at billed rate with invoice required
  • Labor: Offered at RPP's discretion, not to exceed published flat-rate times and maximum regional wholesale hourly labor rate
  • Holiday/Overtime Rates: Not covered

What's Not Covered

This warranty does not cover failures resulting from:

  • Owner or operator abuse or neglect
  • Operation without adequate coolant, fuel, or lubricants
  • Over-fueling or over-speeding
  • Lack of maintenance of lubricating, coolant, or air intake systems
  • Improper storage, starting, warm-up, run-in, or shut-down practices

Coverage does not include:

  • Troubleshooting or diagnostic time
  • Towing, transport, or down-time
  • Rental fees or incidentals
  • Delivery charges, travel, meals, or lodging
  • Business losses, docking, or harbor charges

Responsibilities

  • Installer: Ensure parts are correct for the application and install according to OEM procedures, specifications, and accepted industry standards
  • Owner: Operate and maintain equipment as specified in OEM operation and maintenance manuals

How to File a Claim

  • RPP must be notified prior to the end of the warranty period
  • All warranty repairs must be authorized by RPP technical staff
  • Request a Warranty Claim Form for the return of parts
  • Return all claimed parts to the indicated location within 30 days of receiving a Return Merchandise Authorization
  • Include failed parts, completed Warranty Claim Form, and copies of related work orders or invoices
  • Ship parts freight pre-paid in a condition that makes examination possible
  • Parts received without a Warranty Claim Form will be returned freight collect

Important Notes

  • Professional Installation Required: We strongly recommend installation by a qualified technician to ensure proper break-in and operation
  • Keep Your Records: Retain your invoice and service records for warranty claims
  • Questions?: If you're unsure about coverage or need assistance, please contact us

The warranties set forth herein are the sole warranties made by RPP regarding its parts. RPP makes no other warranties, expressed or implied, of merchantability or fitness for a particular purpose.

Recently Viewed

All specifications and numbers are provided for reference only and should be independently verified before use. While we guarantee our parts match their descriptions and accept returns for any discrepancies, we cannot be held liable for installation costs, modifications, or consequential damages. Questions about compatibility? Contact our parts experts at 800-828-6943, sales@dieselcranks.com, or via live chat, Mon-Fri 8am-5pm EST.