ZW250

ZW250
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ZW250

Product catalog summary
Introduction
The ZW250 Wheel Loader is part of the new-generation ZW Series, designed for enhanced production and mobility. It features advanced technologies such as total control of engine and pump torque, three work modes, and three driving modes to improve operation ease and productivity.
Productivity
The ZW250 offers three work modes to boost production and reduce fuel consumption, along with three driving modes for optimal speed shifting. It includes an automatic transmission with a load-sensing system, a high-torque engine, and a capacious torque converter. Optional features include a limited slip differential and a ride control system.
Comfort and Visibility
The cab is designed for comfort with a panoramic view, bi-level auto air conditioning, and low noise design. It features enhanced upward and rear visibility, ergonomically positioned controls, and an optional multi-functional joystick lever.
Durability
The ZW250 is built with robust differential gears, a durable drive system, and variable displacement pumps. It includes a hydraulically operated cooling fan with a heat-sensing system and a capacious hydraulic oil cooler.
Maintenance
Maintenance is simplified with extended hydraulic oil replacement intervals, conveniently located filters, and an easy-to-read monitor. The machine features a flat cab floor and a reversible hydraulically operated cooling fan for easy cleaning.
Safety
Safety features include a full fan guard, an emergency steering system, and a highly reliable dual-line brake system. The cab is ROPS/FOPS certified.
Environmental Considerations
The engine complies with U.S EPA Tier 3 and EU Stage III A emission regulations. The design includes a low noise engine and a recyclable machine.
Specifications
The ZW250 has an operating weight of 19,350 - 19,890 kg, a bucket capacity of 2.9-3.7 m3, and a maximum engine output of 179 kW (240 HP).
Engine and Maintenance Features
High-performance filters reduce servicing costs and downtime. The engine oil drain port is conveniently located for easy maintenance, and air conditioning filters are easily replaceable from the cab. HN bushings with high-viscosity oil reduce grease consumption and extend lubrication intervals, enhancing durability.
Safety Features
The machine includes mis-operation protection mechanisms, such as engine start only when the Forward/Reverse lever is in neutral, and automatic application of the parking brake. Additional safety features include a retractable seat belt, inclined ladder, full fan guard, and an optional emergency steering system. The ROPS/FOPS cab protects the operator from accidents, and a dual-line hydraulic brake system ensures reliable braking.
Environmental and Noise Reduction
The machine incorporates a common rail type fuel injection system to comply with emission regulations, reducing particulate matter and NOx emissions. The cooled EGR system further reduces fuel consumption and emissions. Approximately 95% of the machine is recyclable, and it features a low noise engine with a Hitachi Silent fan to minimize operational noise.
Technical Specifications
The engine is an Isuzu AH-6HK1 model with a maximum power of 179 kW at 2000 rpm. The power train includes an automatic transmission with load-sensing and torque proportioning differentials. The hydraulic system features a TT system, bucket auto leveler, and lift arm kick-out system. The electrical system includes a 24-volt system with various lights and alarms.
Operator's Station and Loader Linkage
The operator's station is equipped with a ROPS/FOPS cab, adjustable armrest, air conditioning, and a high-back seat with multiple adjustments. The Z-bar loader linkage provides high bucket breakout force.
Optional and Standard Equipment
The document lists various optional and standard equipment, including different bucket types, tires, and additional safety and operational features. The specifications section provides detailed dimensions and capacities for different bucket configurations.
Specifications Overview
Key dimensions include an overall length of 8,385 mm, height of 3,405 mm, and width over tires of 2,830 mm. The wheelbase is 3,350 mm, with a ground clearance of 425 mm and a tread of 2,200 mm. The bucket width is 3,050 mm, and the turning radius is 5,715 mm.
Performance Metrics
The static tipping load varies between 142 kN to 147 kN depending on the configuration, with a breakout force ranging from 162 kN to 195 kN. The operating weight of the machine ranges from 19,350 kg to 19,890 kg.
Standards and Notes
All dimensions, weight, and performance data are based on ISO standards 6746-1:1987, 7137:1997, and 7546:1983. The static tipping load and operating weight include specific tire configurations and assume a full fuel tank and operator. Machine stability and weight depend on counterweight, tire size, and attachments.
Additional Information
The document includes a bucket selection guide and notes that specifications are subject to change without notice. Illustrations may not include all optional equipment or accessories. Users are advised to read the Operator’s Manual for proper operation.
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Catalog excerpts

ZW250-1

WHEEL LOADER Model Code : ZW250 Operating Weight : 19 350 - 19 890 kg Bucket Capacity : ISO Heaped 2.9-3.7 m3 Max. Engine Output : 179 kW (240 HP)

 Open the catalog to page 1
ZW250-2

and mechanisms. Total control of engine and pump torque is an industry's first. Three work modes and three driving modes help enhance operating ease and yield Three driving modes for optimum speed Front & rear defrosters Easy draining Automatic transmission with load- Conveniently located filters sensing system Easy-to-replace air conditioning filters Enhanced upward visibility High-torque engine and capacious Good rear visibility torque converter Strategically located Fuel supply port Ergonomically positioned switches and Easy-to-read monitor advanced hydraulic circuit The new ZW Series wheel...

 Open the catalog to page 2
ZW250-3

Packed with Numerous Technological Advances for Amazing Mobility and Big Production The new ZW Series is packed with lots of technological advances: the TT* system, newly developed hydraulic system and transmission, well matching of operations, impressive mobility and big production with less fuel consumption, and much more. *Total Torque-control Three Work Modes to Increase Production and Decrease Fuel Consumption mode Front speed Lift arm digging force Medium Large Traction force P mode (Power mode) N mode (Normal mode) Engine Output L mode (Light mode) Three work modes are selectable according...

 Open the catalog to page 3
ZW250-4

An Array of Elaborate Mechanisms for Impressive Mobility and Big Production Improved Rise / Run Performance Sophisticated Mechanisms for Higher Job Efficiency Float System Lift Arm Kick-Out System Lift Arm Auto Leveler (Optional) The float system lets the lift arm follow up road irregularities by using its selfweight only, without using its hydraulic circuit. This system is useful in soil-spill collecting during loading, and snow removing. The lift arm can automatically be raised up to the preset level. This function is convenient when loading onto a dump truck, and when operating at confined...

 Open the catalog to page 4
ZW250-5

Operator-First Designs: Easy-to-Handle Controls for Operator Comfort Panoramic Cab Comfort-Designed Suspension Seat The panoramic cab gives almost allround visibility with the widened front glass window and pillar less cab rear corners. Front wheels are always in the operator's vision, enhancing safety and increasing loading efficiency. Enhanced Upward Visibility The front curved glass window gives good upward visibility, so the operator can directly see the movement of the bucket for safer loading. Bi-Level Auto Air Conditioner and Pressurized Cab Front / Rear Defrosters Ergonomically Positioned...

 Open the catalog to page 5
ZW250-6

Enhanced Durability Aluminum Radiator and Oil Cooler O-Ring Seal (ORS) Joints and Water-Resistant Electric Connectors Durability is enhanced with a number of advanced mechanisms for long, continuous operation. Hydraulically Operated Cooling Fan with Heat- Sensing System Dependable Drive System The radiator and oil cooler are made of aluminum instead of conventional steel or copper for corrosion prevention. On the indicators, monitors and alarms, many LEDs are utilized for longer service life resulting in less failure, enhancing the reliability. Numerous elaborate components are utilized for higher...

 Open the catalog to page 6
ZW250-7

Reduced Running Costs Strategically Located Fuel Supply Port The fuel supply port is located for convenient fuel supply from the ground. The cab floor is stepless (flat) for ease of cleaning. Reversible Hydraulically Operated Cooling Fan A large tool box is provided at the top step of the ladder on the right side of the machine. The tool box can hold a grease gun and tool kit. The rotation of the hydraulically operated cooling fan with heat-sensing system can be reversed for easy removal of dirt from the radiator. The fan itself can swing open for easy cleaning. Easy-to-Read Monitor Dirt-Less...

 Open the catalog to page 7
ZW250-8

Safety-First Design Environmentally Friendly Design Achieving a High-Level of Safety in the Working Environment with an Array of Advanced Mechanisms A Cleaner Machine ROPS / FOPS Cab The ROPS / FOPS cab is provided to protect the operator from injury in an accident. ROPS : Roll-Over Protective Structure : ISO3471 The ZW Series is equipped with a clean but powerful engine to comply with Tier 3 and Stage III A. An engine emission regulations effective in the U.S. EPA and European Union from 2006. Exhaust gas is partly re-combusted to reduce particulate matter (PM) output and lower nitrogen oxide...

 Open the catalog to page 8
ZW250-9

TIRES (tubeless,nylon body) Isuzu AH-6HK1 4-cycle water-cooled, direct injection Turbocharger and intercooled 6 STEERING SYSTEM 179 kW (240 HP) at 2 000 min-1 (rpm) 179 kW (240 HP) at 2 000 min-1 (rpm) 115 mm X 125 mm 7.790 L 2 X 12 V / 916 CCA, 270-min. rated reserve Two element dry type with restriction indicator Articulated frame steering Refer to standard & optional equipment list Each direction 40 degree ; total 80 degree Two double-acting piston type 2 x 70 mm x 542 mm Four-wheel drive system Semi-floating Fixed to the front frame Trunnion support ENGINE - Coolant recovery tank - Hydraulically...

 Open the catalog to page 9
ZW250-10

SPECIFICATIONS DIMENSIONS & SPECIFICATIONS General Purpose Rock Bucket Bucket type Bolt-on Teeth ISO heaped ISO struck Bucket capacity Overall length Overall length (Traveling figure) Overall height Width over tires Wheel base Ground clearance Tread Bucket width Turning radius (Centerline of outside tire) Loader clearance circle, bucket in carry position Overall operating height Height to bucket hinge pin, fully raised Dumping clearance 45 degree, full height Reach, 45 degree dump, full height Digging depth (Horizontal digging angle) Max. roll back at carry position Straight Static tipping load...

 Open the catalog to page 10
ZW250-11

WHEEL LOADER These specifications are subject to change without notice. Illustrations and photos show the standard models, and may or may not include optional equipment, accessories, and all standard equipment with some differences in color and features. Before use, read and understand the Operator’s Manual for proper operation. Hitachi Construction Machinery Co., Ltd. www.hitachi-c-m.com

 Open the catalog to page 11

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