For Case 721E models (produced from 2005 to around 2011), the serial number plate is located on the left-hand side of the main frame near the articulation joint or just behind the front left wheel. Always verify your serial number when ordering, as some early 721E models used Tier 2 engines while later units transitioned toward Tier 3 emission compliance.
Transmission Type: 5-speed Powershift with manual and auto modes
Hydraulic Flow Rate: 43 gal/min
Hydraulic Pressure: 3,050 psi
Operating Weight: Approx. 31,000 lbs
Bucket Capacity: 2.75 to 3.5 cubic yards
Breakout Force: 28,200 lbs
Top Speed: 24 mph
Dimensions (L×W×H): Approx. 27.5 ft long × 8.1 ft wide × 11.1 ft high
Performance & Design Highlights
Increased Power Output: The 721E features more horsepower and torque than previous models, ideal for high-demand applications like site prep, quarry work, and material handling.
Electronic Transmission Control: The 5-speed automatic powershift offers smoother shifting and better fuel economy across varied terrain.
Hydraulic Precision: Closed-center hydraulic system provides fast and efficient response for all loader functions, with optional auxiliary circuits.
Tier 3 Engine Technology: Emissions-compliant engine delivers power without sacrificing efficiency—especially important for regulatory regions.
Operator Comfort: Upgraded cab with air suspension seat, full climate control, excellent visibility, and ergonomic joystick controls.
Routine Maintenance
Engine Oil & Filter: Change every 250 hours
Hydraulic Fluid & Filters: Replace every 1,000 hours
Transmission Fluid: Change every 1,000 hours
Fuel Filters: Replace every 500 hours
Air Filters: Inspect every 250 hours; replace if restricted
Cooling System: Flush and inspect every 1,000 hours or annually
Common Issues & Fixes
Hydraulic Jerking or Lag: Often caused by low fluid, clogged filters, or air in the system—bleed lines and inspect return flow
Transmission Slipping or Harsh Shifting: Calibrate shift points or inspect solenoids and torque converter integrity
Loader Arm Play: Replace worn pins and bushings; grease pivot points daily under heavy use
Engine Stalling Under Load: Check turbo boost pressure, fuel injection timing, and EGR valve function
Cooling System Overload: Clean radiator and hydraulic oil cooler regularly; replace worn fan belts or thermostats
Out of Stock
This item is OUT OF STOCK and must be special ordered.
Please call us to check availability.
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Our in house parts are manufactured following strict quality standards in our warehouse in Ohio. Parts such as hydraulic cylinders, pins, bushings, sheet metal, track adjusters, booms and dipper sticks are all ready to ship same day that they are purchased! With less time to wait for your shipment, you will be able to get back to work as quickly as possible.
Did you accidentally purchase the incorrect part? We offer returns and exchanges here at Broken Tractor. To proceed with a return, please call us toll free, and we will provide you with return authorization and a step by step return process for your convenience. We are more than happy to help you exchange your part for the correct one! Give us a call at 1-800-909-7060 and we would be pleased to help you.
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