Used Loader CAT 420F for Loading, Digging, using to Backfill

The CAT 420F integrates a front loader and a rear backhoe into a single wheeled machine. First, it can excavate trenches. Then, it can move loose soil and return fill material to the work site. This makes it a practical used loader for utility teams, building contractors, and rental fleets.

The machine in the picture carries CAT 420F markings. It is equipped with an enclosed cab, a hydraulic multi-purpose front bucket, a rear digging bucket, and two rear stabilizers.

Longmai Machinery supplies used construction equipment to commercial buyers. We help customers inspect the condition of machines, select attachments, and plan export delivery.

A Front Bucket for Multi-Task Operations

The photos show a front bucket with a hydraulically openable jaw. This design adds useful functions beyond standard scooping and dumping.

When the bucket is closed, the operator can load soil, sand, and gravel. When the bucket opens, it can support spreading, leveling, and grabbing suitable loose materials. Therefore, crews can handle multiple site tasks using the same attachment.

The matching bucket is equipped with teeth and hydraulic cylinders. Before purchasing, confirm its capacity, jaw movement, cutting edge wear, and pin condition. Also, check that both cylinders operate evenly and hold their positions.

Rear Excavation for Utility and Earthwork Projects

The end of the backhoe supports trenching, small foundation work, drainage repair, and local excavation. At the same time, the rear stabilizers provide support during excavation when correctly placed on solid ground.

This configuration is suitable for jobs that require loading and excavation in the same work area. For example, a drainage team can excavate a trench, move spoil, and backfill after pipe installation.

An extendable rear boom is available for the 420F series. However, the boom type and working depth of the selected machine must be confirmed before ordering.

Caterpillar Powertrain and Hydraulic System Design

Caterpillar offers various regional configurations of the 420F. The published version is equipped with a Cat C4.4 ACERT engine with a rated net power of 69 kW under SAE J1349.

The load-sensing hydraulic system of this model automatically adjusts flow and pressure according to demand. Therefore, it enables precise control of the movements of the loader and backhoe during variable work tasks.

The reference power shuttle transmission provides four forward gears and four reverse gears. In addition, the wheeled chassis allows the machine to move between nearby work sites.

The engine type, transmission, and drive options must be checked against the nameplate of the selected unit.

CAT 420F Technical Specifications

The following figures are based on the published C4.4 ACERT configuration by Caterpillar. These are reference values, not confirmed measurements of the machine in the picture.

The actual weight, bucket size, dimensions, and performance depend on the engine version, tires, cab, boom, and attachment. Therefore, please request the serial number and final configuration sheet for the available unit.

Suitable for Teams with Diverse Daily Work Tasks

This used loader can be used for:

• Water and drainage pipe installation

• Roadside maintenance and repair

• Small building foundation construction

• Farmland trenching and yard work

• Soil and aggregate loading

• Backfilling and site cleanup

For projects focused on bulk loading, buyers can also compare used XCMG ZL50GN wheel loaders. Match the machine to the material type, work site, and daily workload.

Check Both Working Ends Before Purchasing

A backhoe loader has two operating systems. Therefore, the inspection should cover both the front loader and the rear excavator unit.

At the front, check the bucket opening, lifting response, hydraulic cylinder leaks, and linkage clearance. At the rear, check the boom movement, slewing response, bucket joints, and stabilizer operation.

Next, test the steering, brakes, gear shift, and travel. Inspect tire wear, axle leaks, frame repairs, cab controls, and available maintenance records.

Request cold-start video footage and full operational demonstration. For further purchasing guidance, please read our Guide to Buying Used Construction Machinery.

Support for Equipment Supply and Export from Longmai Machinery

Longmai Machinery provides support for equipment sourcing, condition inspection, accessory matching, export documentation, and international shipping. Furthermore, buyers can discuss spare parts supply and pre-shipment preparation work.

Request a Quotation for a Used Loader

Contact Longmai Machinery and provide your destination port, quantity, main work content, and attachment needs. Then, request the available CAT 420F's year, usage hours, serial number, engine details, condition report, price, and delivery schedule.

The CAT 420F is manufactured by Caterpillar. Longmai Machinery is an independent supplier of used construction equipment.