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Case 420CT Series 3: A Comprehensive Review of the Multi-Terrain Loader
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The Case 420CT Series 3 compact track loader stands as a testament to Case Construction Equipment's commitment to innovation and performance in the compact equipment sector. Introduced as part of the 400 Series 3 lineup, the 420CT Series 3 was designed to meet the evolving demands of construction, landscaping, and agricultural applications. This article delves into the specifications, performance, operator experience, and real-world applications of the Case 420CT Series 3, providing a detailed overview for potential buyers and industry professionals.
Engine and Performance
At the heart of the Case 420CT Series 3 is the Case 432T/M3 engine, a 3.2-liter turbocharged four-cylinder diesel engine. This engine delivers a gross power output of 74 horsepower at 2,500 rpm and a peak torque of 203 lb-ft at 1,400 rpm. The engine's design emphasizes fuel efficiency and reliability, ensuring optimal performance across various tasks.
The 420CT Series 3 operates with a rated operating capacity of 2,860 lbs (1,297 kg) and a tipping load of 5,715 lbs (2,594 kg). These specifications make it suitable for a wide range of attachments and tasks, from material handling to grading and excavation.
Dimensions and Undercarriage
The compact dimensions of the 420CT Series 3 enhance its maneuverability in confined spaces. Key dimensions include:
  • Length with bucket: 10.8 ft (3.29 m)
  • Length without bucket: 8.54 ft (2.60 m)
  • Width over tracks: 5.42 ft (1.65 m)
  • Height to top of cab: 6.63 ft (2.02 m)
  • Ground clearance: 8.39 in (21.3 cm)
  • Turning radius from center (with bucket): 80.71 in (205 cm)
  • Turning radius from center (machine rear): 57.09 in (145 cm)
The undercarriage features a dozer-style design with three track rollers per side and a track width of 12.6 in (32 cm). This configuration provides a ground pressure of 5.8 psi, allowing the machine to operate on soft or sensitive surfaces without significant ground disturbance.
Hydraulic System
The hydraulic system of the 420CT Series 3 is powered by a gear-type pump delivering a flow rate of 23.8 gallons per minute (90 L/min). This system supports a variety of attachments, including augers, trenchers, and brooms, enhancing the loader's versatility. The auxiliary hydraulic system is designed for easy integration with a wide range of implements, making the 420CT Series 3 a valuable asset for contractors requiring multi-functional capabilities.
Operator Experience and Cab Design
Operator comfort and visibility are paramount in the design of the 420CT Series 3. The cab features increased headroom and a wider lap bar, along with improved forward, side, rear, and overhead visibility. The suspension seat is standard, and a new cushioned lap bar with armrests and ergonomically designed control handles provide more comfortable operation. A foot throttle is standard, allowing operators to easily control RPMs.
The cab is designed for ease of maintenance, with grouped daily service checkpoints and a tilt-up ROPS for quick access to key components. The pressurized cab and optional air conditioning ensure a comfortable working environment in various weather conditions.
Undercarriage and Track System
The 420CT Series 3 employs a dozer-style undercarriage with fewer moving parts than competitive designs. An angled track frame and material scrapers decrease mud and material buildup. Steel-embedded tracks roll on rubber instead of steel for a longer-lasting track and a smoother ride. The Rexroth drive motor uses an oversized bearing in line with the drive sprocket to make it easier to keep material out, while increasing component life.
The lifetime sealed and oil-lubricated roller and idler system, along with duo-cone face seals, reduce maintenance costs and extend the life of the undercarriage components. The dozer-style triple flange rollers help prevent de-tracking on slopes, enhancing the machine's stability and performance on uneven terrain.
Real-World Applications and Performance
In real-world applications, the Case 420CT Series 3 has proven to be a reliable and versatile machine. Operators have utilized it in various tasks, including snow removal, landscaping, and material handling. For instance, in snow plowing operations, the 420CT Series 3's compact size and powerful hydraulics allow for efficient clearing of driveways and walkways. Similarly, in landscaping projects, its ability to handle a variety of attachments makes it a valuable tool for tasks such as grading and trenching.
One notable feature appreciated by operators is the machine's performance in soft or sensitive terrains. The low ground pressure allows for operation on lawns and other delicate surfaces without causing significant damage, making it ideal for landscaping and turf management applications.
Maintenance and Serviceability
Case Construction Equipment has designed the 420CT Series 3 with serviceability in mind. The machine features grouped daily service checkpoints, allowing operators and maintenance personnel to perform routine checks quickly and efficiently. The tilt-up ROPS provides easy access to key components, reducing downtime during maintenance activities.
The use of a no-maintenance fan belt and an automatic belt tensioner minimizes the need for adjustments and replacements, further enhancing the machine's uptime. Additionally, the larger battery and grid heater ensure reliable starting performance, even in cold temperatures.
Conclusion
The Case 420CT Series 3 compact track loader offers a blend of power, versatility, and operator comfort, making it a valuable asset for professionals in construction, landscaping, and agriculture. Its robust engine, compact dimensions, and advanced hydraulic system enable it to perform a wide range of tasks efficiently. The thoughtful design of the cab and undercarriage enhances operator comfort and reduces maintenance requirements, ensuring the machine's longevity and reliability.
For those seeking a compact track loader that delivers performance and durability in various applications, the Case 420CT Series 3 stands as a commendable choice. Its proven track record and thoughtful design make it a machine worth considering for your equipment fleet.
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