Description:
Case 821F Wheel Loader – Parts, Specs & Common Issues
Serial Number Location:
For Case 821F models (produced from 2012 to 2017), the serial number plate is typically located on the left-hand side of the frame, behind the articulation joint or beneath the operator cab steps. Always verify the serial number before ordering parts, especially when dealing with emissions components or engine variants.
Key Specifications
Years Manufactured: 2012 – 2017
Engine Model: FPT 6.7L Tier 4 Interim turbocharged diesel
Net Horsepower: 211 HP @ 2,000 rpm
Displacement: 409 cu in (6.7 L)
Transmission Type: 5-speed powershift with lock-up torque converter
Hydraulic Flow Rate: 45 gal/min
Hydraulic Pressure: 3,046 psi
Operating Weight: Approx. 39,000 lbs
Bucket Capacity: 3.75 – 4.25 cubic yards
Breakout Force: 38,000 lbs
Top Travel Speed: 24.5 mph
Dimensions (L×W×H): Approx. 29 ft × 9.2 ft × 11.4 ft
Performance & Design Highlights
Tier 4 Interim Engine with SCR: The 821F uses a diesel oxidation catalyst and SCR (Selective Catalytic Reduction) to meet emissions standards without using a DPF—this reduces maintenance and avoids forced regens.
Powerful 5-Speed Transmission: Lock-up torque converter increases roading speed and torque delivery under heavy loads.
Ride Control Standard: Reduces material spillage and improves operator comfort over rough terrain.
Smart Loading Technology: Auto-idle, auto-shutdown, and programmable return-to-dig increase productivity and fuel efficiency.
Enhanced Operator Comfort: Pressurized cab, 360° visibility, climate control, and ergonomic joystick placement reduce fatigue during long hours.
Routine Maintenance
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Engine Oil & Filter: Replace every 500 hours
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Hydraulic Oil & Filters: Change every 1,000 hours
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Transmission Oil & Filter: Change every 1,000 hours
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Fuel Filters: Replace every 500 hours
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Air Filters: Inspect every 250 hours; replace as needed
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Cooling System: Flush and refill every 2,000 hours or every 2 years
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DEF Tank and Screen: Refill as needed; clean screen every 1,000 hours
Common Issues & Fixes
SCR System Warnings: Most often due to degraded DEF or a clogged DEF screen—replace fluid with fresh ISO-certified DEF and clean intake screen.
Harsh Gear Shifts: Typically caused by transmission controller calibration issues—reflash the TCU and inspect solenoid response times.
Hydraulic Drift or Delay: Worn rod seals in lift or tilt cylinders—rebuild with new OEM seal kits.
Weak Brake Response: Check brake pressure accumulator and fluid levels—replace seals or flush contaminated fluid.
Engine Performance Drop: Likely due to faulty boost sensor or clogged air filter—inspect for codes and clean or replace filters.
Cab Display Fault Codes: Inspect connections near CAN bus and power module—clean and reseat terminals with dielectric grease.