A support assembly for retaining a motor relative to a drive bandwheel and a free bandwheel in a sawmill, the support assembly comprising: a first platform orientated on a first plane, the first platform securable to a drive axle of the drive bandwheel; a second platform orientated on a second plane, the second platform securable to a free axle of the free bandwheel; and a centre platform coupled to, and between, the first and second platforms, the centre platform orientated on a third plane vertically spaced apart from the first and second planes, the centre platform configured to support the motor above the axles of the drive bandwheel and the free bandwheel, further comprising a pair of joints, one joint connecting the first platform with one end of the centre platform, and the other joint connecting the second platform with another end of the centre platform, wherein the first, second, and centre platforms, and the pair of joints collectively comprise: a first structural member; a second structural member; and spacer components securing the first and second structural members together, spaced apart from one another, wherein each structural member comprises: a first segment; a second segment; a centre segment positioned between the first and second segments; and a joint segment connecting the first segment with one end of the centre segment, and another joint segment connecting the second segment with another end of the centre segment, the joint segments collectively forming the joints, wherein the spacer components comprise: a centre plate secured to, and extending between, the centre segments of the structural members, the centre plate and the centre segments forming the centre platform. a first platform orientated on a first plane, the first platform securable to a drive axle of the drive bandwheel; a second platform orientated on a second plane, the second platform securable to a free axle of the free bandwheel; and a centre platform coupled to, and between, the first and second platforms, the centre platform orientated on a third plane vertically spaced apart from the first and second planes, the centre platform configured to support the motor above the axles of the drive bandwheel and the free bandwheel, further comprising a pair of joints, one joint connecting the first platform with one end of the centre platform, and the other joint connecting the second platform with another end of the centre platform, wherein the first, second, and centre platforms, and the pair of joints collectively comprise: a first structural member; a second structural member; and spacer components securing the first and second structural members together, spaced apart from one another, wherein each structural member comprises: a first segment; a second segment; a centre segment positioned between the first and second segments; and a joint segment connecting the first segment with one end of the centre segment, and another joint segment connecting the second segment with another end of the centre segment, the joint segments collectively forming the joints, wherein the spacer components comprise: a centre plate secured to, and extending between, the centre segments of the structural members, the centre plate and the centre segments forming the centre platform. a first structural member; a second structural member; and spacer components securing the first and second structural members together, spaced apart from one another, wherein each structural member comprises: a first segment; a second segment; a centre segment positioned between the first and second segments; and a joint segment connecting the first segment with one end of the centre segment, and another joint segment connecting the second segment with another end of the centre segment, the joint segments collectively forming the joints, wherein the spacer components comprise: a centre plate secured to, and extending between, the centre segments of the structural members, the centre plate and the centre segments forming the centre platform. a first segment; a second segment; a centre segment positioned between the first and second segments; and a joint segment connecting the first segment with one end of the centre segment, and another joint segment connecting the second segment with another end of the centre segment, the joint segments collectively forming the joints, wherein the spacer components comprise: a centre plate secured to, and extending between, the centre segments of the structural members, the centre plate and the centre segments forming the centre platform.