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Trials show AXION has the power to perform.
Tests conducted in conjunction with the DLG, one of Europe’s leading test and research organisations, show that 83% of the engine power on the AXION 820 is transferred to the wheels, highlighting the efficiency with which the HEXASHIFT transmission utilises engine power and making this one of the most efficient tractors in its class on the market.
In the tests, the DLG compared the engine and transmission performance of the AXION 820, against a similar sized competitive tractor. In addition traction and engine tests were also conducted on the higher powered AXION 850.
AXION 820 v competitor
The AXION 820 has a nominal power output of 189hp (139kW) with a maximum power output of 197hp (145kW), with latest models also benefiting from a further power boost to 232hp (170kW) from the CLAAS POWER MANAGEMENT (CPM) system.
The main message to emerge from all the test data was how efficient the driveline in the AXION 820 was in transmitting power and the fuel efficiency of the engine.
In terms of performance in the field, the efficiency with which both the AXION 820 and 850 transfer power to the wheels, results in a tractor that will achieve higher work rates at reduced fuel usage. The wide constant power range will avoid the need to change gear, whilst the high torque and impressive torque rise mean that the tractor will keep pulling and again avoid the need to change gear, and so loose momentum when going up-hill or when soil conditions change through the field. At the same time, the flat fuel consumption means that whatever the load, consumption remains constant.
Accurate, realistic testing
The tests on the AXION 820 and 850 were conducted using the DLG’s unique Drawbar Test Vehicle. This is designed to replicate a field environment and so provide more comprehensive and accurate information than is possible with a static test or other field based measuring systems.
The Drawbar Test Vehicle is able to test the total performance of the tractor within a controlled environment that ensures that replicated results can be achieved, i.e. that the results are consistent and if repeated the same result will be achieved. The major drawback of field based testing is that soil types and conditions vary too much and so can have a major impact on results, making a realistic comparison between tests and machines impossible.
The Drawbar Test Vehicle is linked to the tractor by a load-cell drawbar and the computer and test measuring systems are linked into the tractor’s fuel, hydraulic, PTO, electronic and engine management systems. Where required, in order to place the tractor under load, as it tows the vehicle down the test track, an onboard Dynamometer places varying levels of braking effect on the lorry’s rear axles to create a ‘pull’ at the drawbar which can then be measured.
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