Part number

T428703

Type Belt
Fits John Deere, Cat +1 make 65 models
2 offers from €32.52 2 suppliers
V-Ribbed Belt R128204 R135603 T178419 for John Deere Engine 3029 4045 6068 6081 6090 2.9L 4.5L 6.8L 8.1L 9.0L Loader 644H 724J 850JR Skidder 660D 848G
V-Ribbed Belt R128204 R135603 T178419 for John Deere Engine 3029 4045 6068 6081 6090 2.9L 4.5L 6.8L 8.1L 9.0L Loader 644H 724J 850JR Skidder 660D 848G
Part # T428703
In stock
€32.52
37.70 USD at supplier
Buy

Durable V-Ribbed Belt fits For CAT,For JOHN DEERE,For Massey Ferguson, keeping reliable power transmission and performance. Buy for your Engine,Excavator,Loader,Skidder,Tractor today!

SupplierFridayParts
Based inUnited States
Vendor SKU ZPFPHKW20069
Checked
Serpentine Fan Belt 8PK1921 for John Deere 8000/8010/8R Series Without Air Brakes
Serpentine Fan Belt 8PK1921 for John Deere 8000/8010/8R Series Without Air Brakes
Part # T428703
0.277 kg
In stock
€65.30
75.70 USD at supplier
Buy

When you're running high-horsepower John Deere equipment like an 8410 pulling a 12-bottom plow or an 8310R pushing through 16-row corn harvest, that serpentine belt is working harder than you might think. This 8PK1921 belt drives everything that keeps your big tractor running - the cooling fan that prevents overheating during those long summer days, the alternator that powers your GPS and precision planting systems, and the hydraulics that keep implements responding. When this belt fails, you're done until it's replaced. What You're Getting 8-rib construction that handles the extreme loads these big tractors put out Exactly 1921mm length - the precise measurement for non-air brake configurations EPDM rubber compound that stays flexible in cold weather and won't crack in the heat Direct replacement that fits right - no modifications or guesswork needed Built for Big Tractor Work This belt's designed for John Deere's powerhouse tractors - from the proven 8000 series through the modern 8R models. Whether you're running an 8100 on the dairy operation, pulling heavy tillage with an 8400, or pushing a T8.410 through harvest season, these machines put out serious horsepower and need a belt that can handle it. The 8-rib design spreads that power load evenly so you get reliable operation season after season. Made to Last Farm equipment takes a beating, and your belt's no exception. This one's built with modern EPDM rubber that resists the oil mist, heat cycles, and constant flexing that kill cheaper belts. The cord reinforcement prevents stretching even under heavy loads, and each rib maintains proper contact with the pulleys to eliminate the squealing and slippage that wastes power. Good to Know Critical point - make sure your tractor doesn't have air brakes before ordering, as those models need a different length belt. When installing, take a picture of the belt routing first since these systems can be complex. Check every pulley for wear while you've got access, and clean out any debris from the pulley grooves. Keep your old belt as a spare once you install this one - finding the right belt during harvest can be tough.

SupplierSutter Bros
Based inUnited States
Weight0.277 kg
Vendor SKU QTP-58161
Checked
Broader search for T428703

Fits these machines

Models listed by the suppliers of this part. 65 in total.

John Deere

2.9L30294.5L40456.8L606860816081AF0016081HDW056081HDW066081HDW086081HDW096081HF0016081HF0706081TF00160906090HF4856090HFG946090HT005644H660D724J8.1 L8.1L

Cat

2384C2484C316E L316F L318E L318F L559C579CC4.4C6.6D3K2D3K2 LGPD3K2 XLD3K2 XL & LGP

Massey Ferguson

6499

Other numbers for this part

Suppliers list these numbers for the same part.

261-0370 R128204 R135603 R157688 T178419 CA2610370 4275520M1 1841558C1 2513521C1 8K755 207507 5080755 and 28 more

About this part

Suppliers
2
Offers
2 on this page
In stock
2 of 2
With a price
2 of 2 in stock
Prices
from €32.52 to €65.30, avg €48.91

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