ZDL307
Underground loader
ZDL307: A 7 t diesel underground loader for ore loading and short-distance material transport. The ZDL307 combines a 3 m³ heaped bucket with four-wheel drive and central articulated hydraulic steering.
Built around your working task.
The ZDL307 is intended for trackless loading in underground excavation and mining operations, including work alongside mining trucks. Match the machine to the loading point, haul route and unloading arrangement before selecting a configuration.
Loading and transport
The documented configuration has a rated load capacity of 7 t and a 3 m³ heaped bucket for loading ore and other materials.
Articulated drive layout
Four-wheel drive, a centrally hinged frame and hydraulic steering form the machine layout described in the technical specification.
Transmission and braking
Power is transmitted through a gearbox and torque converter. The document specifies wet multi-disc service braking and a spring-applied parking brake with hydraulic release.
Technical specifications
Values refer to the supplied technical specification. Confirm the current configuration before ordering. Engine cooling type and turning-clearance requirements require clarification and are not specified here.
| Rated load capacity | 7 t (full load) |
|---|---|
| Bucket capacity, heaped | 3 m³ |
| Overall dimensions (L × W × H) | 9250 × 2600 × 2250 mm |
| Operating weight | 19.5 t |
| Ground clearance | 280 mm |
| Steering angle | ±40° |
| Maximum traction force | 160 kN |
| Travel speed, gears I / II / III / IV | 5.8 / 9.7 / 15.1 / 20.5 km/h |
| Rated engine power / speed | 165 kW / 2200 r/min |
Check the operating conditions.
The document specifies tunnel cross-sections of at least 4 m high × 4 m wide. This is a reference condition, not a substitute for checking the complete route and turning envelope.
The stated ambient temperature range is −5°C to 40°C. Operation above 1000 m requires an engine-power review.
The supplied specification requires adequate ventilation and drainage and excludes use in environments with flammable or explosive gases or coal dust. Obtain site-specific suitability confirmation before selection.
A 7 t loader for the loading and haul cycle
The ZDL307 combines a 7 t rated load with a 3 m³ heaped bucket. Those figures describe different limits: the mass of material and the space it occupies. When you send a loading requirement, include the material and its bulk density as well as the bucket size. A full bucket alone doesn't establish an acceptable load.
Think through the whole trip. Where does the loader collect material, how far does it travel, and where does it discharge? The technical description places this diesel underground loader alongside mining trucks for loading and short-distance transport. Your truck loading height and approach layout are therefore useful parts of an equipment inquiry.
Documented construction and equipment
The operating conditions list relative humidity no greater than 85% at 25°C. The parameter table separately records a maximum unloading angle of 40°.
The drivetrain specification uses an automatic-shift transmission with a torque converter and a stated final-drive ratio of 6.
Check the articulated chassis against your mine layout
The documented four-wheel-drive chassis has central articulated hydraulic steering. Overall dimensions of 9250 × 2600 × 2250 mm and 280 mm ground clearance give you starting dimensions for a layout review. They don't describe the complete swept path with the bucket raised or the frame articulated.
Send drawings of intersections, loading bays and gradient transitions, not just the narrowest straight section. The source gives inconsistent turning-clearance figures, so a confirmed turning-envelope drawing is needed before final selection. Also identify the altitude and ventilation conditions when discussing the engine configuration.
Prepare a practical ZDL307 inquiry
A useful request includes material type, target load per trip, haul distance, unloading arrangement and the available maintenance area. Add the expected operating schedule and any site requirements for diesel equipment. ZONGDA can then review a defined application instead of quoting from bucket volume alone.
For the final quotation, request the model-specific specification, dimensional drawing, included equipment and spare-parts information. Keep the quoted configuration with your project records so later parts inquiries refer to the machine that was actually supplied.
Selection questions
What information is needed to select the loader?
Send the material type, required payload, loading and unloading arrangements, roadway dimensions, gradients and turning-space drawings.
Which details should be confirmed before ordering?
Ask for the current technical sheet, engine configuration and confirmed turning envelope. Include operating altitude and ambient conditions in the inquiry.
Is bucket capacity the same as load capacity?
No. The ZDL307 reference lists a 3 m³ heaped bucket and a 7 t rated load. Both need to be considered with the material being handled; neither figure should be substituted for the other.