This gallery contains both OTA tractors and Singer tractors
OTA Monarch
OTA Australia Advert 1952
OTA Tractor
OTA Monarch
OTA Monarch
OTA Monarch
OTA Monarch
OTA Monarch
OTA Monarch
OTA Monarch
OTA Monarch
OTA Tractor
OTA Tractor
OTA Tractor
OTA Tractor
OTA Tractor
OTA Tractor
Singer Monarch
Singer Monarch
Singer Monarch
Singer Monarch
Singer Monarch
Singer Monarch