# 1980 Caterpillar 12G for Sale in Pleasureville, KY **URL:** ## Listing details - **Price:** $47,500.00 USD - **Listing ID:** 87994254 - **Year:** 1980 - **Manufacturer:** Caterpillar - **Model:** 12G - **Category:** Motor Graders - **Serial number:** 61M08410 - **Location:** Pleasureville, KY ## Description Rebuilt Engine ## Machine details ### General Specifications - **ropstype:** Enclosed ## Manufacturer specifications ### Circle - **Blade Tip Angle - Front:** 90 degrees - **Blade Tip Angle - Rear:** 90 degrees - **Diameter:** 60.3 in (153.16 cm) - **Max Lift Above Ground:** 17.3 in (43.94 cm) - **Max Reach Outside Tires - Left:** 72.1 in (183.13 cm) - **Max Reach Outside Tires - Right:** 73.7 in (187.2 cm) - **Rotation:** 360 degrees ### Dimensions - **Blade Base:** 8.44 ft (2.57 m) - **Height:** 10.75 ft (3.28 m) - **Height To Top Of Isomount Cab:** 10.93 ft (3.33 m) - **Length:** 27.25 ft (8.31 m) - **Overall Length:** 27.27 ft (8.31 m) - **Tandem Axle Wheelbase:** 4.99 ft (1.52 m) - **Weight:** 29860 lbs (13541.95 kg) - **Wheelbase:** 19.43 ft (5.92 m) - **Width:** 7.75 ft (2.36 m) - **Width Over Tires:** 7.91 ft (2.41 m) ### Engine - **Displacement:** 640.8 cu in (10500.85 cu cm) - **Engine Make:** 2236 - **Max Power:** 135 hp (100.67 kw) - **Net Power Gear 5-6:** 135 hp (100.67 kw) - **Number Of Cylinders:** 6 - **Power Measured @:** 2200 rpm ### Front Axle - **Ground Clearance:** 2.1 ft (0.64 m) - **Oscillation - Total:** 32 degrees - **Wheel Lean:** 18 degrees ### Hydraulic System - **Pump Flow:** 51 gpm (193.04 lpm) - **Pump Type:** closed-center, constant-pressure system w/ variable displacement piston - **Relief Valve Pressure:** 2150 psi ### Moldboard - **Max Depth Of Cut:** 17.8 in (45.21 cm) - **Moldboard Height:** 24.1 in (61.21 cm) - **Moldboard Thickness:** 0.9 in (2.29 cm) - **Moldboard Width:** 12 ft (3.66 m) - **Side Shift Left:** 26.4 in (67.06 cm) - **Side Shift Right:** 20.5 in (52.07 cm) ### Operational - **Alternator Supplied Amperage:** 19 amps - **Cooling System Fluid Capacity:** 12.5 gal (47.31 l) - **Fuel Capacity:** 74.8 gal (283.12 l) - **Hydraulic System Fluid Capacity:** 20.1 gal (76.08 l) - **Max Operation Weight - Front Axle:** 9987 lbs (4530.03 kg) - **Max Operation Weight - Rear Axle:** 21605.4 lbs (9800.06 kg) - **Max Operation Weight - Total:** 31592.3 lbs (14330.04 kg) - **Oil System Fluid Capacity:** 7.7 gal (29.14 l) - **Operating Voltage:** 24 V - **Std Operation Weight - Front Axle:** 7870.6 lbs (3570.05 kg) - **Std Operation Weight - Rear Axle:** 20128.3 lbs (9130.05 kg) - **Std Operation Weight - Total:** 27998.8 lbs (12700.06 kg) - **Tandem Case Fluid Capacity (Each):** 17 gal (64.35 l) - **Transmission Fluid Capacity:** 23 gal (87.06 l) ### Steering - **Articulation Angle:** 50 degrees - **Turning Radius:** 24 ft (7.32 m) ### Transmission - **Max Speed - Forward:** 25.5 mph (41.04 kph) - **Max Speed - Reverse:** 25.5 mph (41.04 kph) - **Number Of Gears - Forward:** 6 - **Number Of Gears - Reverse:** 6 - **Transmission Type:** Cat-built direct drive power shift ## About this model The Caterpillar 12G is a motor grader designed for road construction, maintenance, and earthmoving applications. Built by Caterpillar, the 12G features a moldboard blade, articulated frame, and tandem rear drive for grading, leveling, and ditching work. It is commonly used in highway projects, site preparation, and municipal road maintenance. The machine is known for its mechanical drivetrain, operator cab, and hydraulic controls that support precise blade positioning. As a Caterpillar motor grader, the 12G is part of the company's long-running grader lineup and remains recognized in used equipment markets for grading performance and serviceability. ## Photos ![1980 Caterpillar 12G](https://media.sandhills.com/img.axd?id=11028145092&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=5hkV2%2b9GQEFWudrx%2f%2fMp8LZLgu9mmvuM) ![1980 Caterpillar 12G photo 2](https://media.sandhills.com/img.axd?id=11028145105&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=5hkV2%2b9GQEEad8YsmM7oHxTomKYEwd2u) ![1980 Caterpillar 12G photo 3](https://media.sandhills.com/img.axd?id=11028145116&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=5hkV2%2b9GQEHSnENET1glPwiTqsbsE7D%2b) ![1980 Caterpillar 12G photo 4](https://media.sandhills.com/img.axd?id=11028145127&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=5hkV2%2b9GQEECekz545YzuMwDt1j8jBZ6) ![1980 Caterpillar 12G photo 5](https://media.sandhills.com/img.axd?id=11028145145&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=5hkV2%2b9GQEG76G30dPrnJaKbbYf9QSgm) ![1980 Caterpillar 12G photo 6](https://media.sandhills.com/img.axd?id=11028145165&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=5hkV2%2b9GQEE9cHN1yfj02e7RVgRhkfLP) ![1980 Caterpillar 12G photo 7](https://media.sandhills.com/img.axd?id=11028145186&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=5hkV2%2b9GQEHfNgIqssUYIWLdwtsuKuBW) ![1980 Caterpillar 12G photo 8](https://media.sandhills.com/img.axd?id=11028145205&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=5hkV2%2b9GQEH3DdQKX9tXV%2biMYzlxaR5c) ![1980 Caterpillar 12G photo 9](https://media.sandhills.com/img.axd?id=11028145224&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=5hkV2%2b9GQEGEebIN56dFhJ4Ytm%2f2SWdr) ![1980 Caterpillar 12G photo 10](https://media.sandhills.com/img.axd?id=11028145237&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=5hkV2%2b9GQEGhKhWq%2b0CnxfdpPEVeLVtk) ![1980 Caterpillar 12G photo 11](https://media.sandhills.com/img.axd?id=11028145243&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=5hkV2%2b9GQEFptlFSGKNP1jyw9IrYYYIJ) ![1980 Caterpillar 12G photo 12](https://media.sandhills.com/img.axd?id=11028145247&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=5hkV2%2b9GQEHeLg3tXTn8R6rYokZOij0n) ![1980 Caterpillar 12G photo 13](https://media.sandhills.com/img.axd?id=11028145256&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=5hkV2%2b9GQEH95Cod7Qr84b%2fY0mYAIPVC) ![1980 Caterpillar 12G photo 14](https://media.sandhills.com/img.axd?id=11028145262&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=5hkV2%2b9GQEFfMm4P%2bM4Y60Xe8btqynah) ![1980 Caterpillar 12G photo 15](https://media.sandhills.com/img.axd?id=11028145268&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=5hkV2%2b9GQEGrMdLhC%2f5ensH08gfPaePi) ![1980 Caterpillar 12G photo 16](https://media.sandhills.com/img.axd?id=11028145277&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=5hkV2%2b9GQEEi0BWRV%2fDL2lAbgLhFDSR4) ![1980 Caterpillar 12G photo 17](https://media.sandhills.com/img.axd?id=11028145283&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=5hkV2%2b9GQEFAeBJwfqzUbWhvqjhzeCuB) ![1980 Caterpillar 12G photo 18](https://media.sandhills.com/img.axd?id=11028145287&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=5hkV2%2b9GQEHhcM9vcJVROelcrXwYxWub) ![1980 Caterpillar 12G photo 19](https://media.sandhills.com/img.axd?id=11028145293&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=5hkV2%2b9GQEFPkQuPVzQtyvyqJYGqbDT9) ![1980 Caterpillar 12G photo 20](https://media.sandhills.com/img.axd?id=11028145298&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=5hkV2%2b9GQEHql6D5T%2b4NqRELPlDl2vwT) ![1980 Caterpillar 12G photo 21](https://media.sandhills.com/img.axd?id=11028145302&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=5hkV2%2b9GQEHgILYJH6165HYE9lNYd1Qv) ![1980 Caterpillar 12G photo 22](https://media.sandhills.com/img.axd?id=11028145306&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=5hkV2%2b9GQEFxsaQJ0yBhy9KCYAKCVz%2bV) ![1980 Caterpillar 12G photo 23](https://media.sandhills.com/img.axd?id=11028145328&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=5hkV2%2b9GQEFS%2bxpruwksiIWXezFXJNmw)