Add to Cart Caterpillar G3616 A4 Gas Compression Engine Replica 1/25 Scale Diecast Masters MSRP: Now: $170.98 Was: Caterpillar G3616 A4 Gas Compression Engine Replica 1/25 Scale Scale Truck Replicas made of top quality materials make for a great gift option or addition to your personal collection! Caterpillar G3616 A4 Gas Compression Engine Scale Model... MSRP: Now: $170.98 Was: Add to Cart