They are PAR 46's
Here's what I came up with:
Hose Bed-G.E. 4572, alt part#24833, 28V 150 watt flood, 300hrs avg life, cost, about $10.00
Cab spot- G.E. 4570, alt part#24828, 28V, 150 watt aircraft taxi, 300hrs avg life, cost, about $20.00
You don't want to go over 150 watts or you can damage...