87428874 Boom Cylinder Seal Kit for Case 590SR Super R Backhoe Loaders (Tier 2 & Tier 3)
Product Overview
The 87428874 boom cylinder seal kit is a factory-manufactured aftermarket replacement kit cross-referenced against the genuine Case part number 87428874, which the official CNH/Case parts store (mycnhstore.com) lists as “Hydraulic Seal Kit”. The Hercules Sealing Products catalog identifies the equivalent aftermarket code JIC-87428874 as the boom cylinder seal kit in a 2.5 in rod x 135 mm bore configuration, used on the Case 590SR Super R backhoe loaders (590SR Super R, 590SR Super R Tier 2 and 590SR Super R Tier 3).
DJF Seals manufactures and supplies the 87428874 kit at factory-direct wholesale pricing for Case/CNH equipment dealers, repair shops and fleet maintenance programs.
Verified Application
The following application data was cross-checked against the official CNH parts store, the Hercules Sealing Products catalog, parts resellers and marketplace listings:
| Part Number | 87428874 (aftermarket codes JIC-87428874, SK-P-UB-10-2.500×135.00) |
| OEM Reference | Case/CNH 87428874 “Hydraulic Seal Kit” (genuine Case reference per mycnhstore.com) |
| Cylinder Position | Boom cylinder (confirmed by Hercules, Aztec Hydraulics, eBay, Amazon, noksealkit.com) |
| Verified Fitments | Case 590SR Super R, 590SR Super R Tier 2, 590SR Super R Tier 3 (also written 590SR-2 / 590SR-3 by some suppliers) |
| Rod / Bore (per Hercules) | 2.5 in (2-1/2 in) rod / 135 mm bore |
| Condition | New, aftermarket replacement |
Note: specific material grades, pressure rating, temperature range, exact piece counts, certifications (the current page claims ISO, RoHS etc) and service life are factory data and are not independently verified. Verify these details with the factory before ordering.
Replacement Scope
This kit covers the sealing elements required to reseal the boom cylinder in the 2-1/2 in rod x 135 mm bore configuration (per the Hercules catalog) used on the verified Case 590SR Super R series. Exact kit contents and piece counts should be verified with the factory against your cylinder before ordering.
Fitment Verification
The part number, cylinder position and fitments were verified through multiple independent sources:
- mycnhstore.com (official CNH/Case parts store): Case Construction “Hydraulic Seal Kit” 87428874 — genuine Case part reference.
- Hercules Sealing Products: JIC-87428874, catalog code SK-P-UB-10-2.500×135.00, boom cylinder hydraulic seal kit, rod 2.500 in x bore 135.000 mm, fitments 590SR Super R, 590SR Super R Tier 2 and 590SR Super R Tier 3.
- eBay: “87428874 Boom Cylinder Seal Kit For Case 590SR Backhoe Loader” and “87428874 Boom Hydraulic Cylinder Seal Kit For Case 590SR Super R” — complete aftermarket boom cylinder overhaul sealing kit.
- Amazon: “Boom Cylinder Seal Kit, 87428874, Compatible with Case Backhoe 590SR Super R” (multiple listings).
- noksealkit.com: “87428874 seal kit for 590SR Super R Case backhoe loader Boom cylinder”.
- GulfSouth Equipment: “87428874 CASE 590SR 590SR-2 590SR-3 BACKHOE BOOM CYL SEAL KIT” — the 590SR-2 / 590SR-3 notation corresponds to the Tier 2 / Tier 3 designations.
- Aztec Hydraulics / heavyironspares.com / allequipmentparts.com: Case 87428874 seal kit for hydraulic cylinder (boom), aftermarket replacement of OEM 87428874.
- Conflict note: no conflict found on part number, boom position or the 590SR Super R / Tier 2 / Tier 3 fitments.
- Conflict note: the material (PU/NBR/PTFE) and certification (ISO, RoHS) claims on the current page are factory data and are not independently verified.
Factory Inspection & Packing
Each 87428874 kit is assembled and checked at the DJF factory before packing. Sealing elements are placed in labeled poly bags marked with the part number, then packed into export cartons for protection during international shipping. Kits can be packed under DJF branding, neutral packaging, or your own private label for distribution.
Wholesale Ordering
DJF Seals supplies the 87428874 kit at factory-direct wholesale pricing for distributors, dealers and repair shops. To request a quotation, send your part number and quantity to [email protected] or [email protected]. OEM/ODM service, custom packaging and bulk container shipping are available for regular programs.
MOQ
MOQ: 5 kits.
FAQ
Q: Which machines does the 87428874 seal kit fit?
A: The Case 590SR Super R backhoe loader, including 590SR Super R Tier 2 and 590SR Super R Tier 3 (also written 590SR-2 / 590SR-3 by some suppliers). Verify your machine model and serial number before ordering.
Q: Which cylinder does this kit service?
A: The boom cylinder, per the Hercules catalog and multiple independent listings.
Q: What are the cylinder dimensions for this kit?
A: The Hercules catalog lists JIC-87428874 as 2.5 in rod x 135 mm bore.
Q: Is 87428874 a genuine Case part number?
A: Yes, the official CNH/Case parts store lists 87428874 as a Case Construction “Hydraulic Seal Kit”. The DJF kit is an aftermarket replacement cross-referenced to that OEM number.
Q: What is the minimum order quantity?
A: MOQ: 5 kits.
