Dual Fuel Engine
DF or Duel Fuel Engines are the type of engines that could operate on a mixture of diesel fuel and gas fuel or it could run on diesel fuel alone. Duel Fuel engines are not able to work on gas alone as they do not posses an ignition system, nor do they possess any spark plugs.
Because diesel is not a pure gas, and it is not a pure diesel designed engine, it has some disadvantages in the department of fuel efficiency, as well as Methane slippage.. Like for example, the fuel efficiency may be 5% to 8% less than in a comparable lean-burn, spark-ignited engine at 100% load. It could even be greater on lower loads.
Lift Truck Classification and Fuel Sources
There are some recycling materials handling applications which can prove extremely difficult for lift trucks. For example, scrap metal is among these problems. To be able to successfully handle items like this requires using the correct type of machine for the job.
There are 7 major lift truck classes, including power sources such as liquid propane gas, hydrogen fuel cell, gasoline, diesel and electric. The power source is linked to some of these particular classes. The main power sources for forklifts consist of Diesel, Gasoline, Battery, Fuel Cell and Propane.
Electric powered trucks are the most common, mainly Class III, III and class I forklifts. Internal combustion engines are more common in Classes V and IV. The most common electric power source is the lead-acid battery. Out of internal combustion trucks, roughly over 90 percent are fueled by propane.
The battery is the forklifts most common power source. Battery powered models make up around 60 percent of the new forklifts sold in the USA. Their benefits include: quiet operation, less maintenance requirements, the ability to be used inside and outside with no harmful emissions.