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SY31482 :  Forklift FAN BELT SY31482 : Forklift FAN BELT

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SY48714 :  Forklift FAN BELT SY48714 : Forklift FAN BELT

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SY1211240 :  Forklift FAN BELT SY1211240 : Forklift FAN BELT

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SY1211358 :  Forklift FAN BELT SY1211358 : Forklift FAN BELT

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SY23632 :  Forklift FAN BELT SY23632 : Forklift FAN BELT

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SY31806 :  Forklift FAN BELT SY31806 : Forklift FAN BELT

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SY34028 :  Forklift FAN BELT SY34028 : Forklift FAN BELT

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SY45063 :  Forklift FAN BELT SY45063 : Forklift FAN BELT

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SY47525 :  Forklift FAN BELT SY47525 : Forklift FAN BELT

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SY47938 :  Forklift FAN BELT SY47938 : Forklift FAN BELT

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SY48030 :  Forklift FAN BELT SY48030 : Forklift FAN BELT

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SY52028 :  Forklift FAN BELT SY52028 : Forklift FAN BELT

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SY73820 :  Forklift FAN BELT SY73820 : Forklift FAN BELT

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SY73873 :  Forklift FAN BELT SY73873 : Forklift FAN BELT

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SY73898 :  Forklift FAN BELT SY73898 : Forklift FAN BELT

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SY73905 :  Forklift FAN BELT SY73905 : Forklift FAN BELT

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SY82933 :  Forklift FAN BELT SY82933 : Forklift FAN BELT

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SYVCAX39 :  Forklift FAN BELT SYVCAX39 : Forklift FAN BELT

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3000491 : Forklift  FAN BELT 3000491 : Forklift FAN BELT

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3000575 : Forklift  FAN BELT 3000575 : Forklift FAN BELT

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659886 : Forklift  FAN BELT 659886 : Forklift FAN BELT

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7000354 : Forklift  FAN BELT 7000354 : Forklift FAN BELT

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997412 : Forklift  FAN BELT 997412 : Forklift FAN BELT For Nissan & Clark

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56811900 : Forklift  FAN BELT 056811900, 56811900 : Forklift FAN BELT

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63193800 : Forklift  FAN BELT 063193800, 63193800 : Forklift FAN BELT

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220000721 : Forklift  FAN BELT 220000721 : Forklift FAN BELT

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220005380 : Forklift  FAN BELT 220005380 : Forklift FAN BELT

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220042752 : Forklift  FAN BELT 220042752 : Forklift FAN BELT

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220052049 : Forklift  FAN BELT 220052049 : Forklift FAN BELT

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449089134 : Forklift  FAN BELT 449089134 : Forklift FAN BELT

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900890818 : Forklift  FAN BELT 900890818 : Forklift FAN BELT

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00591-05176-81 : Forklift  FAN BELT 00591-05176-81 : Forklift FAN BELT

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00591-11097-81 : Forklift  FAN BELT 00591-11097-81 : Forklift FAN BELT

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00591-33848-81 : Forklift  FAN BELT 00591-33848-81 : Forklift FAN BELT

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00591-33851-81 : Forklift  FAN BELT 00591-33851-81 : Forklift FAN BELT

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00591-51023-81 : Forklift  FAN BELT 00591-51023-81 : Forklift FAN BELT

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00591-51024-81 : Forklift  FAN BELT 00591-51024-81 : Forklift FAN BELT

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00591-72208-81 : Forklift  FAN BELT 00591-72208-81 : Forklift FAN BELT

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00591-76336-81 : Forklift  FAN BELT 00591-76336-81 : Forklift FAN BELT

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16374-20100 : Forklift  FAN BELT 16374-20100 : Forklift FAN BELT

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16374-20100-71 : Forklift  FAN BELT 16374-20100-71 : Forklift FAN BELT

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89322-76005-71 : Forklift  FAN BELT 89322-76005-71 : Forklift FAN BELT

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99522-10942 : Forklift  FAN BELT 99522-10942 : Forklift FAN BELT

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21067-49100 : Forklift  FAN BELT 21067-49100 : Forklift FAN BELT

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Our Price: $3.53
   
 

Forklift fan belt

Reading time: 3 min. 12 sec.

Lift parts warehouse has a wide variety of forklift fan belts at a low price. The best part is that we have a professional team with knowledge of forklifts and their spare parts here. They are available to help you with the correct selection of the fan belt, especially if you are a first-time buyer or forklift user. Same-day shipping and quick delivery. Buy a new forklift fan belt. Quality guaranteed at low prices.

Summary

The following technical information allows the reader to know more about the fan belt and their functioning within the cooling system of an internal combustion engine. Besides, you will find the selection criteria to acquire the correct replacement for your fan belt and some tips about the common problems presented in this device.

Table of content

  1. What is a fan belt?

  2. Fan belt components

  3. How a fan belt works

  4. Fan belt types

  5. How to choose the correct forklift fan belt

  6. Common problems of a fan belt

What is a fan belt?

It consists of a rubber and flexible belt that drives the alternator, the water pump, and the cooling fan blade. It is an essential part of the forklift cooling system given this makes possible:

  • The fan blade rotation. It assures a reasonable rate of air entering into the radiator to low the temperature of the coolant.

  • The water pump works. It permits a suitable distribution of the coolant around the engine body.

fan belt
Figure 1. Fan belt

Due to its multiple functions, the fan belt is also called:

  • Drive belt.

  • Serpentine belt.

  • Alternator belt.

Fan belt components

  • Body: It is made of resistant rubber. Although its shape depends on its position -given its flexibility- it is circular or oval if extended completely. The material used for its construction could be natural rubber (NR), nitrile rubber (NBR), synthetic rubber ( HNBR), etc.

  • Tensile Cords: These are various flexible lines made of nylon, fiberglass, steel wire, polyester, etc. It acts as a solid structure that makes the belt strong and stable.

  • Cover: This is a protective layer made of plastic. Its function is to provide endurance of the rubber body to resist the temperature increase generated by the high friction.

fan belt internal view
Figure 2. Internal view of a fan belt

How a fan belt works

This drive belt is found in engines with internal combustion. Its wedge-shaped face is positioned over the fan, water pump, and alternator pulleys; it connects all these elements with the engine crankshaft.

When the engine starts running, it creates a reciprocating movement that generates a crankshaft rotation. So, the fan belt uses the force of this torque to rotate the other components by their respective pulleys.

The wedge shape of the internal fan belt face assures a more extensive surface area and good stability. This characteristic permits that:

  • High friction between pulleys and the belt exists to perform rotational energy transmission with a low preload force.

  • Less bearing load.

Fan belt types

  • Raw-edge Cogged (REC): This belt type has no sloping sides, and the drawstring can be seen. Given there is no fabric wrapping, the tension cords have more space to reinforce the belt. The underside Coggins reduce the bending resistance.

  • Raw-edge Plain (REP): It differs from the REC in its rubber profile, given the drawstring has no space and its internal face has a plain shape that is positioned over the pulleys.

  • Wrapped belt: Also known as smooth belts. Its fabric layer protects the belt internals and provides resistance against abrasion, contamination, and oil.

fan belt types
Figure 3. Scheme of a raw-edge cogged belt (left) and a wrapped belt (right)

Another way to classify the fan belt could be by:

  1. Cross-sectional size: A,B,C,D, and E.

  2. Transmission belt power.

The below table shows the equivalence between the cross-sectional size and transmission power.


Section


Cross-sectional dimensions

Width x Length (mm)


Power (kW)

A

13x8

0.1 to 3

B

17x11

0.5 to 6

C

22x14

1 to 12

D

32x19

3 to 32

How to choose the correct forklift fan belt

When choosing a forklift fan belt for your cooling system, consider the following:
  • Type: A REC is suitable for small pulleys. A REP is commonly used in pulleys with large diameters. Generally, raw-edge belts are more expensive than the wrapped belts.

  • Dimensions: Measure the width and the length of the cross-section and the nominal inside length. In this way, you can determine what belt class you need ( according to table 1).

  • Compare type and dimensions with the tag on the belt: The code marked on the belts provides a complete specification of them. For example, a belt AX2032 means a belt type “A,” an “X” indicates a Raw-edge Cogged type. Finally, the “2032” refers to its nominal inside length.

Common problems of a fan belt

fan belt damaged
Figure 4. Common problems of a fan belt
  • Cracking: The most common reason for this problem is the time of use. As it is an element created by rubber, it changes its properties as time goes by. The belt will look dryer, with excessive cracking, and will lose flexibility.

  • Glazed belt: A loss of belt tension causes a belt slipping. The constant and high friction between the belt and the pulley generates a substantial heat amount. As a result, the belt is polished until it has a glazing appearance. This problem occurs when the tensioner is defective or worn. A belt glazing does not permit a proper grip, even if it is tightened again.

  • Fraying: The misalignment of the pulleys causes the belt fibers to degrade and become weak. Thus, the belt comes apart at the edges. This problem is visible but also can be identified through a rubbing noise.

  • Contamination: The forklift fan belt is exposed to get wet or soggy by oil from the engine or coolant from the cooling system. In case this happens, the belt will suffer degradation, and its performance will be affected. A deep inspection is needed to find where the leakage is and solve the problem. Otherwise, a new belt installed will suffer the same issue.

Takeaways

  • A Forklift fan belt drives the alternator, the water pump, and the cooling fan blade.

  • It is also known as drive belt, serpentine belt and alternator belt.

  • According to its design, there are Raw-edge belts and wrapped belts.

  • When choosing the correct fan belt replacement, the new belt must match with the old belt parameter: type, dimensions, and nominal inside length.

  • Cracking, glazing, fraying and the contamination of the belt (with oil or coolant) are the common problems found.

Lift parts warehouse has wide industry contacts and other resources that make it possible to mark down certain prices to save you money while purchasing a high-quality product. We assure same-day shipping on all orders by 2 PM PST and 1-3 day ground shipping from 19 warehouses.


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