Changzhou Joyous Machineries & Equipment Company Limited
Changzhou Joyous Machineries & Equipment Company Limited
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High Reliability Mini Crawler Dozer Mini Bulldozer Low Fuel Consumption
The appearance of the Machine is based on optimization design.
◆ High engine power reserve, strong torque output, low fuel consumption, reliable controls.
◆ The technology of the machine adopted advanced Japanese technology.
◆ Hydraulically powered, automatic speed change, shift the gears without stop the vehicle.
◆ 3 elements, single stage and single phase torque convertor features high efficiency and
capacity.
◆ The updated hexahedral cab features outstanding visibility and good tightness.
◆ Using the triangle spline and the gear of crowned teeth and tip relief in the final drive to
average the loads on the trans-mission components for more stability, prolong the lifetime.
◆ New blade is more durable and capacious.
◆ Alarming & monitoring system is reliable.
◆ Reliable manual - operated spool valve and external mounted valve for easy
maintenance
| Model | PD220Y-1 | PD220YS | ||||
| Engine | ||||||
| Model | Cummins NT855-C280S10 | |||||
| Type | Four-stroke, water cooling, straight vertical, PT injection type | |||||
| Flywheel power (kW) | 162 | |||||
| Rated speed (r/min) | 1800 | |||||
| Air cleaner | Dry type, pre-cleaned cyclone air cleaner | |||||
| TRANSMISSION SYSTEM | ||||||
| Torque converter | 3-element, single-stage, single phase | |||||
| Transmission | Hand-operated, Hydraulic shift, Planetary gear, multiple disc clutch, forced lubrication by gear pump, | |||||
| Steering clutch | Wet, Multiple disc, Spring loaded, Hand-operated with booster and hydraulic-released | |||||
| Steering brake | Wet, band brake, operated with hydraulic booster | |||||
| Final drive | Spur gear, double reduction, splash lubrication | |||||
| UNDER CARRIAGE | ||||||
| Sprocket | Segmented | Segmented | ||||
| 6 (4 single, 2 double) | 8 (5 single, 3 double) | |||||
| Track tension | Hydraulic adjusted | |||||
| Floating seals are used in all track rollers, carrier rollers, sprocket and front idlers | ||||||
| TRAVEL SPEED (km/h) | 1st | 2nd | 3rd | 1st | 2nd | 3rd |
| Forward | 3.6 | 6.5 | 11.2 | 3.6 | 6.5 | 11.2 |
| Reverse | 4.3 | 7.7 | 13.2 | 4.3 | 7.7 | 13.2 |
| TRACK | ||||||
| Type | Sealed and lubricated single grouser or sealed single grouser | |||||
| Track pitch (mm) | 216 | 216 | ||||
| Track width (mm) | 560 | 945 | ||||
| Number of track shoes (each side) | 38 | 45 | ||||
| Length of track on ground (mm) | 2730 | 3480 | ||||
| Ground clearance (mm) | 405 | 450 | ||||
| Track Gauge (mm) | 2000 | 2250 | ||||
| WORK EQUIPMENT | ||||||
| Blade type | Straight tilt blade | Straight tilt blade | ||||
| Width×Height (mm) | 3725×1315 | 4365×1230 | ||||
| Length×Width×Height (mm) | 7095×3725×3575 (With Ripper) | 6310×4365×3611 | ||||
| Weight (kg) | 25500 | 26300 | ||||