Exploration Notes: Price per truck. ***CANNOT BE USED IN THE U.S. OR CANADA*********************** (8) Units with 6,000 engine hours or less: Birdwagen: Height (with standard tires) 115.1 inches Width (with standard tires) 108.268 inches Length 380 inches Total Weight 64,000 pounds Front Axle Weight 31,500 pounds Rear axle weight 32,500 pounds Traction system pressure 4,000 PSI Transmission Hydrostatic 4 speed Cab 2 or 3 man vista cab Turning radius 26 feet Engine = CAT C15 450 Hp @ 2100 RPM Standard Tire 67 x 34-25 14 ply Hemi-60 Vibrator: maximum theoretical peak force 61,620 pound Mass Piston Area 20.54 sq. inches Reaction Mass Weight 8,250 pounds Reaction Mass Stroke +/- 1.75 inches Reaction Centering Air Springs Servovalve 200 GPM Servovalve Pilot filter 3 Micron Baseplate Area 5,196 square inches Baseplate Assembly weight 4,700 pounds lift system stroke 36 inches Lift cylinder diameter 4.0 inches lift synchronization split crossbeam Vibrator pump flow 140 GPM @ 2100 RPM Holddown weight 62,000 pounds Birdwagen and Hemi-60 vibrator package (does not include electronics) - $65000/each Contact Vicki at 214-335-5588 or email vchilds@tonkaintl.com for more information.

Exploration Notes: (15) Birdwagen units; some with center frame replaced; $50-000 to $60,000 depending on hours: Hours are 11,900 - 19000. Birdwagen: Height (with standard tires) 115.1 inches Width (with standard tires) 108.268 inches Length 380 inches Total Weight 64,000 pounds Front Axle Weight 31,500 pounds Rear axle weight 32,500 pounds Traction system pressure 4,000 PSI Transmission Hydrostatic 4 speed Cab 2 or 3 man vista cab Turning radius 26 feet Engine = CAT C15 450 Hp @ 2100 RPM Standard Tire 67 x 34-25 14 ply Hemi-60 Vibrator: maximum theoretical peak force 61,620 pounds Mass Piston Area 20.54 sq. inches Reaction Mass Weight 8,250 pounds Reaction Mass Stroke +/- 1.75 inches Reaction Centering Air Springs Servo-valve 200 GPM Servo-valve Pilot filter 3 Micron Baseplate Area 5,196 square inches Baseplate Assembly weight 4,700 pounds lift system stroke 36 inches Lift cylinder diameter 4.0 inches lift synchronization split crossbeam Vibrator pump flow 140 GPM @ 2100 RPM Hold-down weight 62,000 pounds It is possible to change out tires in some cases on trucks. Tires are Firestone 23.5/25 size, "Rock Grip", "Flotation" and "Flotation Deep Tread" Hours range from 11,000 - 20,000 hours. Birdwagen and Hemi-60 vibrator package (does not include electronics) Contact Vicki at 214.335.5588 or email vchilds@tonkaintl.com

Exploration Notes: (4) Birdwagen vibroseis trucks - need new engines. $25,000/each Birdwagen: Height (with standard tires) 115.1 inches Width (with standard tires) 108.268 inches Length 380 inches Total Weight 64,000 pounds Front Axle Weight 31,500 pounds Rear axle weight 32,500 pounds Traction system pressure 4,000 PSI Transmission Hydrostatic 4 speed Cab 2 or 3 man vista cab Turning radius 26 feet Engine = CAT C15 450 Hp @ 2100 RPM Standard Tire 67 x 34-25 14 ply Hemi-60 Vibrator: maximum theoretical peak force 61,620 pounds Mass Piston Area 20.54 sq. inches Reaction Mass Weight 8,250 pounds Reaction Mass Stroke +/- 1.75 inches Reaction Centering Air Springs Servo-valve 200 GPM Servo-valve Pilot filter 3 Micron Baseplate Area 5,196 square inches Baseplate Assembly weight 4,700 pounds lift system stroke 36 inches Lift cylinder diameter 4.0 inches lift synchronization split crossbeam Vibrator pump flow 140 GPM @ 2100 RPM Hold-down weight 62,000 pounds Hours range from 11,000 - 20,000 hours. Birdwagen and Hemi-60 vibrator package (does not include electronics) Contact Vicki at 214.335.5588 or email vchilds@tonkaintl.com