Replacement Hydraulic Thumb / Bucket Clamp Cylinder for John Deere and Hitachi (PN: AHC18100) Excavator Models 50C-60G Series, ZX50-60 Series
$1,500.00
Specifications for 1854080613
Category | Replacement Welded Rod Hydraulic Cylinders » Excavator » Compact Excavator |
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Fits Manufacturer | John Deere |
Models | Hitachi ZX50U-5N, Hitachi ZX60USB-5N, John Deere 50C ZTS, John Deere 50D, John Deere 50G, John Deere 60D, John Deere 60G |
Function | Thumb / Bucket Clamp |
Types | Excavator, Excavator - Compact |
Features | Double-Acting Rod Hydraulic Cylinder (DAR) |
SKU | 1854080613 |
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Weight | 40 lbs |
Bore | 2.25″ |
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Rod | 36mm |
Stroke | 16.75″ |
Closed | 25.125″ |
Open Extended Length | 41.875″ |
Operating Pressure (PSI) | 2500 |
Base End Mount Type | Spherical Bearing |
Base Pin Size | 1.00″ |
Base Mount Width | 1.25″ |
Rod End Mount Type | Spherical Bearing |
Rod Pin Size | 1.00″ |
Rod Mount Width | 1.525″ |
Extend Port/Plunger | -6 SAE ORB |
Retract Port/Plunger | -6 SAE ORB 90D |
Old OEM PNs | AH216808, AT260404, AT309148 |
Description
This replacement hydraulic thumb cylinder is designed for John Deere 50C ZTS, 50D, 50G, 60D, 60G and Hitachi ZX50U-5N, ZX60USB-5N excavators. Serving as a direct replacement for OEM Part Number AHC18100, it meets or exceeds OEM standards, ensuring reliable performance and durability. Built for demanding excavation tasks, this cylinder delivers smooth and efficient thumb operation.
2.25″
36mm
16.75″
25.125″
41.875″
2500
Spherical Bearing
1.00″
1.25″
Spherical Bearing
1.00″
1.525″
-6 SAE ORB
-6 SAE ORB 90D
AH216808, AT260404, AT309148
Returning Merchandise
New and un-used stock items maybe returned for refund within 30 days of purchase. No returns are accepted without prior authorization, call 888-771-1894 or email sales@hydrauliccylindersinc.com to receive a return authorization number. Make sure to properly package your item to avoid damage in transit. Hydraulic Cylinders Inc. is not responsible for any shipping charges or damages for the return of product to Hydraulic Cylinders Inc. It is the responsibility of the sender to provide for all shipping, handling, and insurance charges.

Warranty Coverage:
Hydraulic Cylinders Inc. warrants its Replacement Welded Rod Cylinders against defects in materials and workmanship for 12 months from the date of purchase.
Exclusions & Conditions:
- Disassembly voids warranty coverage.
- Misuse, misapplication, or unauthorized modification is not covered.
- HCI does not provide engineering guidance or warrant product fitness for any specific application.
- It is the customer’s responsibility to ensure product suitability and compliance with all regulations and application requirements.
Claims Process:
Contact Hydraulic Cylinders, Inc. directly to initiate a warranty review. Claims require return and evaluation of the product.