SEM Wheel Loader 656D

The SEM 656D CEV Stage IV is SEM’s flagship model and the winner of the “Caterpillar Chairman’s Quality Award”. A versatile beast, the 656D can match up with a variety of requirements including landscaping, construction, waste management, mining, quarrying, forestry and even agricultural applications.

So, whether you are primarily engaged in material handling, digging, load-and-carry operations, road building or site preparation, you will appreciate the SEM 656D CEV Stage IV durability, high productivity, fuel economy, comfortable operator station and incredible array of work tool options along with seamless attachment capabilities.

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Specifications
Benefits & features

Overview

Engine

Rated Power

170/228 kW/HP

Rated Speed

1950 r/min

Model

WDEC WP7G231E501

Displacement

7.5 L

Transmission

Transmission Type

Countershaft, Power Shift

Transmission Gears

F4 / R4

Torque Converter Type

Single Stage, 3 Elements

Forward I/ Reverse I

7.6 / 7.6

Forward II/ Reverse II

14 / 14

Forward III/ Reverse III

14 / 14

Forward IV/ Reverse IV

37 / 37

Make & Model

Caterpillar & TR200

Tires

Size

23.5-25

Type

Bias

Layer

Textured Type

L - 3

Main Specifications

Rated Load

5000 kg

Bucket Capacity

2.6 - 5.0 m3

Wheel Base

3300 mm

Overall Dimension

8279 * 2963 * 3463 mm

Max. Drawbar Force

174 kN

Breakout Force

178 kN

Dump Clearance

3110 mm

B-Pin Height

4162 mm

Operating Weight

17190 kg

Implement Hydraulic

Boom Raise Time

5.1 s

Hydraulic Cycle Time

9.3 s

System Presure Setting

18 MPa

Implement System Type

Open Center

Steering System

System Type

Single Load Sensing

Steering Pump Type

Piston Pump

System Presure Setting

16 MPa

Steering Angle (L/R)

38° ± 1°

Brake System

Service Brake

Dry & Caliper, Air to Oil

Parking Brake

Drum / Shoe

Axle

Main Drive Type

Spiral Bevel Gear, Single Stage

Final Drive Reduction Type

Planetary Type, Single Stage

Rear - Oscillating +/-

±11°

Make & Model

Caterpillar & SEM SO32

Optimized Engine

Low speed engine with E-fan provides increased operating efficiency.
Enhanced fuel pre-filter eliminates water and contaminant from fuel for best fuel system protection.
The air cleaner provides machine reliability even in the most severe applications.

Efficient Hydraulic System

The advanced load sensing hydraulic system with flow sharing circuits improves efficiency.
World Class hydraulic components ensure high reliability.
The optimized hydraulic system paired with the drive train reduces machine cycle time and increases productivity.

Operator Station

Premium operator station with increased space and superior visibility.
Sliding side window and AC with fresh air circulation provide operator comfort.
Joystick hydraulic control for easy and precise operation.
Multi-function instrument dashboard with 3-level alarm.
Adjustable suspension seat

Reliable Drivetrain

Countershaft transmission with upgraded core components provides high reliability.
Large rim-pull in 1st gear and higher speed in 2nd gear provide high efficiency for load and carry applications.
Clutch cutoff selection switch ensures stable and safe operation.
The SEM designed and built axle provides best in class performance in heavy duty applications.

Advanced Cooling System

The standard cooling package provides high reliability in 50 ambient conditions
Shock pad mounts ensure reliability under severe applications.

Solid Structure

Structures undergo Finite Element Analysis (FEA) and On Machine Stress Analysis (OMSA) to ensure durability.
Performance Series (PS) buckets improve loading capability.

Machine Applications

The sturdy design of the SEM 656D CEV Stage IV makes it the perfect machine for port cargo handling, mineral yards, steel mills and other high demand applications.
In Quarry and Aggregate and Coal Mining applications the 656D can load more, move faster and burn less fuel.
Multiple work tools are available for increased versatility.