This model is long life model, many kid like this.

first model was released at 1972 with engine exhaust non permanent

then at tomica still produced with permanen engine exhaust ( you can see a different picture of box and different quality of box)

different exhaust engine and box

at 1976-1977 tomica produced Rakedozer , short produced i think this model was dangerous for kid to play. But now many collector to find this model especially with a box ( the box has different picture with fork blade)

this photos show three models of bulldozer black box

until 1984 tomica chance colour and model box , stop produced this bulldozer at 2004

here variation from first model untill last model