JCB Forklift Tanks and Reservoirs parts list
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JS360, JS370, 406, 407, 409, TM180, TM220, TM220, 506-23TC, 508-66TC, 509-23TC, 509-45TC, 510-55TC, 526-56, 527-58, 531-70, 532-60, 532-70AG, 533-105, 535-125, 535-140, 535-95, 536-60DS, 536-95AG, 538-60AG, 538-70AG, 540-140, 540-170, 540-180R, 540-2 |
Coolant Expansion Tank |
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334/G3689 |
$162.21
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See Details
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JS360, JS370, 406, 407, 409, TM180, TM220, 4160, 4190, 506-23TC, 508-66TC, 509-23TC, 509-45TC, 510-55TC, 526-56, 527-58, 531-70, 532-60, 532-70, 533-105, 535-140, 535-95, 536-60DS, 536-70, 536-95, 538-60, 538-70, 540-140, 540-170, 540-180R, 540-200, |
Coolant Expansion Tank (Tier 4 Machines) |
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334/G3688 |
$126.09
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Coolant expansion tanks and reservoirs for JCB forklifts and telehandlers, covering both standard cap-style reservoirs and sensor-equipped units for Tier 4 engine configurations across a wide range of JCB lift and telehandler series.
Key Notes
- Part Types: Cap-style coolant expansion reservoir (334/G3688) and sensor-equipped coolant expansion tank for Tier 4 engines (334/G3689)
- Engine Compatibility: Tier 4 sensor tank designed specifically for JCB machines equipped with Tier 4 Final compliant engines
- Application: Maintains proper coolant system pressure and volume across varying operating temperatures
- Variants: Agricultural and standard variants share the same reservoir fitment across compatible series
Why Choose Broken Tractor
- ✅ Accurate fitment data verified across JCB model lines
- ✅ New and used parts available for fast shipping
- ✅ Knowledgeable staff serving heavy equipment needs nationwide
Frequently Asked Questions
What is the difference between JCB coolant expansion tank 334/G3688 and 334/G3689?
The 334/G3688 is a cap-style coolant expansion reservoir that comes with its cap. The 334/G3689 is a coolant expansion tank with a built-in sensor, designed for JCB machines with Tier 4 Final compliant engines. Choose based on your engine configuration, and match the part number on your old tank to be sure.
Which JCB telehandler models does the coolant expansion tank fit?
Broken Tractor carries coolant expansion tanks that fit many JCB Loadall telehandlers, including the 506-23TC, 508-66TC, 509-23TC, 509-45TC, 510-55TC, 526-56, 527-58, 531-70, 532-60, 533-105, 535-95, 535-140, 536-60DS, 538-60, 540-140, 540-170 and 540-180R. Some model variants appear on only one of the two tanks, such as the 535-125 on the sensor tank and the 532-70 on the cap-style reservoir. Check the fitment list on each product before ordering.
Does my JCB telehandler need the coolant expansion tank with sensor?
If your JCB telehandler has a Tier 4 Final engine, the sensor-equipped 334/G3689 tank is the one designed for it. Many models, such as the 535-95 and 540-170, appear on the fitment lists for both tanks, so the model number alone may not tell you which one you need. Compare the part number on your existing tank or confirm with the parts team by giving them your serial number. Call (800) 909-7060.
Do JCB AG telehandlers use the same coolant expansion tank as standard models?
Yes, agricultural and standard variants share the same reservoir fitment across compatible JCB telehandler series. The sensor-equipped tank lists AG models such as the 532-70AG, 536-95AG, 538-60AG and 538-70AG. You still need to match the cap-style or sensor version to your engine configuration.
What does the coolant expansion tank do on a JCB forklift?
The coolant expansion tank keeps the cooling system at the correct pressure and coolant volume as the engine heats up and cools down. As coolant expands, the extra volume flows into the reservoir, and it is drawn back into the system as the engine cools. Broken Tractor offers both cap-style reservoirs and sensor-equipped tanks for JCB rough-terrain forklifts and telehandlers.
