... with pneumatic (air-pressure) caterpillar tractor. The cable traction belt is used together with pneumatic (air-pressure) caterpillar tractor. ... Technical standards of product: (1) The elongation of rubber belt is not more than 1% under the condition that the ... , 1250KG, 1600KG, 2000KG, 3200KG, 4000KG and 5000KGTypes include: flat belt type, groove type, multi-wedge type and guiding type.Colors ...