# 1998 Caterpillar 12H **URL:** > This machine has been sold or is not currently for sale. ## Listing details - **Price:** Sold - **Listing ID:** 85658848 - **Year:** 1998 - **Manufacturer:** Caterpillar - **Model:** 12H - **Category:** Motor Graders - **Stock number:** 18642 - **Location:** Saint George, SC ## Description CAB WITH AC, MOLDBOARD, ROME REAR MOUNTED SIDE BLADE, 14.00-24 TIRES, CLEAN AND RUNS GOOD ## Machine details ### General Specifications - **hours:** 14896 - **airconditioning:** Yes - **enginemake:** CATERPILLAR - **heater:** Yes - **transmissiontype:** Powershift - **ropstype:** Enclosed - **doesnotrun:** 0 - **ripper:** No - **scarifier:** No - **accondition:** Good - **operatorcontrols:** Finger Tip - **gradecontrol:** No - **gps:** No - **gpsready:** No - **gradecontrolready:** No ## Manufacturer specifications ### Circle - **Max Lift Above Ground:** 18 in (45.72 cm) - **Max Lift Above Ground:** 18.9 in (48.01 cm) ### Dimensions - **Blade Base:** 8.44 ft (2.57 m) - **Height To Top Of Isomount Cab:** 10.21 ft (3.11 m) - **Overall Length:** 28.12 ft (8.57 m) - **Wheelbase:** 19.99 ft (6.09 m) - **Width Over Tires:** 8.01 ft (2.44 m) ### Engine - **Displacement:** 637.7 cu in (10450.05 cu cm) - **Engine Make:** 2236 - **Engine Model:** 3306 DIT - **Max Power:** 140 hp (104.4 kw) - **Net Power Gears 7-8:** 140 hp (104.4 kw) ### Front Axle - **Oscillation - Total:** 32 degrees - **Wheel Lean:** 18 degrees ### Hydraulic System - **Pump Flow:** 54.5 gpm (206.28 lpm) - **Pump Flow:** 51.8 gpm (196.06 lpm) - **Pump Type:** Axial Piston - **Relief Valve Pressure:** 3500 psi ### Moldboard - **Moldboard Height:** 24.1 in (61.21 cm) - **Moldboard Thickness:** 0.9 in (2.29 cm) - **Moldboard Width:** 12.1 ft (3.69 m) ### Operational - **Alternator Supplied Amperage:** 35 amps - **Alternator Supplied Amperage:** 50 amps - **Fuel Capacity:** 75.1 gal (284.25 l) - **Hydraulic System Fluid Capacity:** 18 gal (68.13 l) - **Hydraulic System Fluid Capacity:** 21.2 gal (80.24 l) - **Operating Voltage:** 24 V - **Std Operation Weight - Total:** 31411.5 lbs (14248.03 kg) - **Std Operation Weight - Total:** 31409.3 lbs (14247.04 kg) - **Tire Size:** 12-24 10PR (G-2) - **Tire Size:** 13-24 10PR (G-2) ### Steering - **Articulation Angle:** 20 degrees - **Turning Radius:** 24.3 ft (7.41 m) ### Transmission - **Max Speed - Forward:** 24.7 mph (39.75 kph) - **Max Speed - Reverse:** 19.7 mph (31.7 kph) - **Max Speed - Reverse:** 19.5 mph (31.38 kph) - **Number Of Gears - Forward:** 8 - **Number Of Gears - Reverse:** 6 ## About this model The Caterpillar 12H is a motor grader designed for road construction, maintenance, and site preparation. Built by Caterpillar, the 12H is part of the company's H-series graders and is commonly used for grading, ditching, shaping, and fine leveling applications. It features a front-mounted moldboard, articulated frame, and rear tandem drive for controlled blade positioning and traction. The 12H is typically equipped with a diesel engine, hydraulic controls, and an operator cab designed for visibility and precision. It is used in municipal, mining, and construction environments where accurate surface finishing and material control are required. ## Photos ![1998 Caterpillar 12H](https://media.sandhills.com/img.axd?id=11008438093&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=lH52hx5oe1WnNMTFELvCYPZ9GTVb3IRX) ![1998 Caterpillar 12H photo 2](https://media.sandhills.com/img.axd?id=11008438107&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=lH52hx5oe1WVDb%2flhyxWQrN5H8kB4OJW) ![1998 Caterpillar 12H photo 3](https://media.sandhills.com/img.axd?id=11008438123&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=lH52hx5oe1XhrLTz0HUuJRiERrmcsk5V) ![1998 Caterpillar 12H photo 4](https://media.sandhills.com/img.axd?id=11008436279&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=KTkCum%2bligkuoNkVZJ%2fSoALeuEnUEGBZ) ![1998 Caterpillar 12H photo 5](https://media.sandhills.com/img.axd?id=11008438159&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=lH52hx5oe1UdlZIOnbNT9bVKoyeu1mYL) ![1998 Caterpillar 12H photo 6](https://media.sandhills.com/img.axd?id=11008438181&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=lH52hx5oe1WYMdkwGzpEP1S3ELHtZHcB) ![1998 Caterpillar 12H photo 7](https://media.sandhills.com/img.axd?id=11008438204&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=lH52hx5oe1UFTjr8G1MRB1jXGoWkSQge) ![1998 Caterpillar 12H photo 8](https://media.sandhills.com/img.axd?id=11008436443&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=KTkCum%2bliglMQILpp3G6W07oBTLt32o4) ![1998 Caterpillar 12H photo 9](https://media.sandhills.com/img.axd?id=11008438214&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=lH52hx5oe1ViDwe3pwpFW3lXe6FG%2fU%2by) ![1998 Caterpillar 12H photo 10](https://media.sandhills.com/img.axd?id=11008436499&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=KTkCum%2bliglE6dfKdcpwXna%2fqnJuBbd0) ![1998 Caterpillar 12H photo 11](https://media.sandhills.com/img.axd?id=11008436532&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=KTkCum%2blignBY3vWMUvMHuN7YCW2empj) ![1998 Caterpillar 12H photo 12](https://media.sandhills.com/img.axd?id=11008436631&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=KTkCum%2bligmmh0nnprsj5%2fhYF0ao8Ya2) ![1998 Caterpillar 12H photo 13](https://media.sandhills.com/img.axd?id=11008436709&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=KTkCum%2bligmtOfanUvFOWoOGz%2fYwJT88) ![1998 Caterpillar 12H photo 14](https://media.sandhills.com/img.axd?id=11007114814&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=11rhBqsDcUIw8yLYpH3KfwXAdpd%2fAG3p) ![1998 Caterpillar 12H photo 15](https://media.sandhills.com/img.axd?id=11007114819&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=11rhBqsDcULC4U4LQXJS6fhxnM7CNBhR) ![1998 Caterpillar 12H photo 16](https://media.sandhills.com/img.axd?id=11007114824&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=11rhBqsDcUKxWAhtXbIGleUbKMaRkRn3) ![1998 Caterpillar 12H photo 17](https://media.sandhills.com/img.axd?id=11007114837&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=11rhBqsDcULKe4TcFhZRBG%2fSDMUvQLhJ) ![1998 Caterpillar 12H photo 18](https://media.sandhills.com/img.axd?id=11007114844&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=11rhBqsDcULaKLBiWGD2OE7vtRxtbdWC) ![1998 Caterpillar 12H photo 19](https://media.sandhills.com/img.axd?id=11007114866&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=11rhBqsDcUInqSBmv9GpFsBGh4Iue%2flD) ![1998 Caterpillar 12H photo 20](https://media.sandhills.com/img.axd?id=11007114870&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=11rhBqsDcULdeV2EyHVHfNmcRASy1G98) ![1998 Caterpillar 12H photo 21](https://media.sandhills.com/img.axd?id=11007114873&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=11rhBqsDcUJqZNceTKfRAi%2bEbLX%2f%2b7XX) ![1998 Caterpillar 12H photo 22](https://media.sandhills.com/img.axd?id=11007114879&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=11rhBqsDcUJnPzjWFTs0U9grwHaA%2fnv8) ![1998 Caterpillar 12H photo 23](https://media.sandhills.com/img.axd?id=11007114883&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=11rhBqsDcUL21qhPKcU8%2bveUutirntqZ) ![1998 Caterpillar 12H photo 24](https://media.sandhills.com/img.axd?id=11007114889&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=11rhBqsDcUJpAeHyKx5Y1GqzmSnM9v80)