JCB Fastrac Reservoir Tanks 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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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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3CX, 4CX, JS200, JS220, JS330, JS360, JS460, 407ZX, 408ZX, 409, 409ZX, 411, 412S, 416, 2155, 2170 |
Coolant Expansion Tank |
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331/34633 |
$104.00
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Coolant expansion reservoir tanks for JCB Fastrac agricultural tractors, covering both standard and sensor-equipped versions compatible with Tier 4 engine configurations. These tanks maintain proper coolant system pressure and fluid levels across a range of JCB equipment platforms including Fastrac, telehandler, and excavator lines.
Fits Models At A Glance
- Fastrac Series: TM180, TM220
Key Notes
- Variants Available: Standard cap-only and sensor-equipped versions for Tier 4 engines
- Cap Inclusion: Select tanks include integrated coolant cap; confirm fitment before ordering
- Sensor Compatibility: Tier 4 sensor-equipped tanks require sensor connector integration at installation
- OEM Part References: Corresponds to 331/34633, 334/G3688, and 334/G3689 part families
Why Choose Broken Tractor
- ✅ Competitive pricing on genuine and aftermarket JCB coolant tanks
- ✅ Fast shipping from Baton Rouge, LA and Kimbolton, OH
- ✅ Knowledgeable team ready to confirm correct fitment
Frequently Asked Questions
Which coolant expansion tank fits a JCB Fastrac 2155 or 2170?
The coolant expansion tank under part number 331/34633 is listed to fit the JCB Fastrac 2155 and 2170. Before ordering, compare the part number on your old tank to 331/34633 so you get the correct match for your tractor.
What coolant reservoir tank fits a JCB Fastrac 4160 or 4190?
The Coolant Expansion Reservoir Tank with Cap, part number 334/G3688, is listed to fit the JCB Fastrac 4160 and 4190. This version comes with a coolant cap. Match the number on your existing tank to 334/G3688 to confirm fitment.
What is the difference between the standard and sensor JCB Fastrac coolant expansion tanks?
The sensor version, part number 334/G3689, is built for JCB Tier 4 engine setups, while the standard tanks do not carry a sensor. The sensor-equipped tank needs its sensor connector hooked up during installation. If your current tank has a sensor and wiring connector, look for the 334/G3689 part number.
Does a JCB Fastrac coolant expansion tank come with a cap?
Some do. Broken Tractor carries 334/G3688 as a reservoir tank with an integrated coolant cap. Check the product listing to see whether a cap is included, and confirm fitment before ordering.
How do I know which coolant reservoir tank my JCB Fastrac needs?
Match the OEM part number on your old tank to one of the part families Broken Tractor carries: 331/34633, 334/G3688 or 334/G3689. The right tank depends on your Fastrac model and on whether your engine is a Tier 4 setup that uses a sensor-equipped tank. If you cannot find the number or are unsure, call (800) 909-7060 and our parts team can confirm the correct tank.
