Equipment Type

Case 521F and 621F Wheel Loaders

The Case 521F and 621F mid-weight wheel loaders have Tier 4-Interim engines and 100-percent locking front differentials.

April 21, 2012

The Case 521F and 621F mid-weight wheel loaders have Tier 4-Interim engines and 100-percent locking front differentials.

The loaders use a Fiat Power Train common rail diesel engine to meet the the Tier 4-Interim standard, and, like larger Case F Series models, they employ selective catalytic reduction (SCR) with diesel exhaust fluid. There is no requirement for a diesel particulate filter and the company says SCR technology results in a 10-percent fuel saving and improved engine performance compared with the previous generation.

Operators can choose from four working modes: Max, Economy, Normal and Auto. This allows the operator to find the most effective solution for every application. An outstanding flat torque curve delivers rapid response to power demands, boosting digging and loading performance, and providing rapid acceleration for load and carry operation, according to Case.

The loaders feature ZF auto powershift transmissions and new heavy-duty axles, front and rear. Designed with a three-piece housing, the axles use wet multiple disc brakes for maximum stopping power with low maintenance requirements.

The front axle offers a 100-percent auto-lock facility, an improvement over the 75-percent lock offered by a limited slip differential. This delivers maximum digging traction when attacking a face or stockpile.

GET FREE PRICE QUOTES

The long reach CX210D LR and CX250D LR excavators have an elongated boom and arm for increased digging capabilities

A line of six heavy- and light-duty sectional snow pushers is compatible with both current and older model wheel loaders, skid steers, CTLs, and backhoes.

Add comment

Plain text

  • No HTML tags allowed.
  • Web page addresses and e-mail addresses turn into links automatically.
  • Lines and paragraphs break automatically.
Overlay Init