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Case 721 Wheel Loader – Parts, Specs

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Case 721 Wheel Loader – Parts, Specs
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Case 721 Wheel Loader – Parts, Specs
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Part # Case 721 Wheel Loader – Parts, Specs

Description:

Serial Number Location:

For Case 721 models (starting with the original 721 in the early 1990s), the serial number plate is typically located on the left-hand frame behind the front tire or near the articulation joint on the main frame. Always verify your serial number when ordering parts, especially across the A, B, C, D, E, F, and G series, as components vary significantly.


Key Specifications 

  • Years Manufactured: Early 1990s – Present (multiple generations)

  • Engine Model: Cummins 6BTA5.9 (6-cylinder turbo diesel)

  • Net Horsepower: 145 HP @ 2,200 rpm

  • Max Torque: 460 lb-ft @ 1,400 rpm

  • Displacement: 359 cu in (5.9 L)

  • Transmission: Powershift, 4 forward / 3 reverse

  • Hydraulic Flow Rate: 38 gal/min

  • Hydraulic Pressure: 3,000 psi

  • Operating Weight: Approx. 28,000 lbs

  • Bucket Capacity: 2.5 – 3.25 cubic yards

  • Breakout Force: 25,800 lbs

  • Travel Speed (Max): 23 mph

  • Dimensions (L×W×H): Approx. 26 ft × 8 ft × 11 ft


Performance & Design Highlights

  • Heavy-Duty Loader Design: The Case 721 was designed for aggregate handling, heavy construction, and site prep with strong lift and breakout force.

  • Proven Cummins Powerplant: Reliable turbo diesel engine delivers high torque at low RPM, ideal for full bucket loads and ramp climbing.

  • Powershift Efficiency: Smooth shifting transmission handles repetitive load-carry cycles with ease and durability.

  • Spacious Cab: Later series feature isolation-mounted cabs with improved visibility, HVAC, and joystick or lever-style controls.

  • Multi-Series Evolution: Available in A through G Series, each with performance, comfort, emissions, and control enhancements.


Routine Maintenance

  • Engine Oil & Filter: Every 250 hours

  • Hydraulic Fluid & Filters: Every 1,000 hours

  • Transmission Fluid: Every 1,000 hours

  • Fuel Filters: Every 500 hours

  • Air Filter: Inspect every 250 hours; replace as needed

  • Cooling System: Flush and inspect every 1,000 hours or annually


Common Issues & Fixes

  • Transmission Slipping or Delay: Check clutch packs and pressure settings; adjust modulation valve if needed

  • Hydraulic Fade or Weak Lift: Inspect hydraulic pump wear and replace suction/return filters

  • Engine Power Drop: Check turbocharger, fuel filters, and air intake restrictions

  • Articulation Joint Wear: Replace center pivot bushings and shims; grease frequently

  • Electrical or Warning Light Faults: Inspect wiring harness for chafing and replace corroded connectors

Out of Stock

This item is OUT OF STOCK and must be special ordered.
Please call us to check availability.

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