$12.95
CASE 521G Wheel Loader Tier 4B Parts Catalog
CASE 521G Wheel Loader Tier 4B Parts Catalog 2020
This official parts catalog provides detailed exploded diagrams, OEM part numbers, and assembly breakdowns for the CASE 521G Tier 4B Wheel Loader. It includes full coverage of Z-BAR, XT, and XR EH configurations with Tier 4B Final emissions systems. Key areas covered include SCR/EGR aftertreatment components, hydraulic pilot circuits, loader linkage assemblies, cab HVAC and seat systems, camera and electrical wiring, drivetrain groups, decals, and platform guards—making it ideal for technicians performing accurate part replacement and equipment servicing.
Model Covers:
CASE 521G Z-BAR EH Tier 4B Final Wheel Loader
CASE 521G XT EH Tier 4B Final Wheel Loader
CASE 521G XR EH Tier 4B Final Wheel Loader
Note: This official CASE 521G Tier 4B Parts Catalog provides detailed component breakdowns, OEM part numbers, and exploded views for XR, XT, and Z-BAR loader configurations equipped with Tier 4B Final emissions systems. It is the ideal reference for accurate part identification during maintenance, diagnostics, or machine overhaul.
For advanced diagnostic procedures, electronic integration, and EH system servicing, refer to the CASE 521G Tier 4B Final Service Manual
👉 51428262.
For baseline Tier 4B servicing (non-EH), including emissions handling and mechanical systems, use
👉 48083735.
If your machine does not include emissions modules or advanced electronics, see the Tier 2 Service Manual
👉 48083739.
For Stage IV European units, consult:
File Format: PDF
Size: 18.42 MB
No. of pages: 1080
Language: English
Delivery Method: Instant Download - Access your file immediately after purchase.
📑 Table of Contents Overview:
Engine & Emissions
- SCR, EGR, DEF tank and dosing module assemblies
- Air intake, cooling, turbocharger, exhaust hardware
Transmission & Drivetrain
- Powershift transmission, axles, planetary hubs
- Drive shafts, differential, torque management
Hydraulic System
- Pilot valves, loader cylinders, bucket control
- Quick coupler hydraulics, fan drive group
Cab & Controls
- Seat system (mechanical and pneumatic)
- HVAC components, windows, panels, door latches
- Cab camera, mirrors, platform guards
Electrical System
- Harnesses, switches, fuses, battery, lights
- Camera wiring, sensors, alternator, starter
Mounted Equipment
- Loader arms, quick coupler, bucket assemblies
- Guarding, decals, platform structure
This CASE 521G Tier 4B Parts Catalog is an essential reference for maintenance teams requiring exact parts identification for North American emissions-compliant machines.
