# 1991 Caterpillar D6D for Sale in Madera, CA **URL:** ## Listing details - **Price:** Call for price - **Listing ID:** 46168942 - **Year:** 1991 - **Manufacturer:** Caterpillar - **Model:** D6D - **Category:** Crawler Dozers - **Serial number:** 75W3465 - **Stock number:** 8839 PIPE - **Location:** Madera, CA ## Description Hydraulic Conversion, Hyd Cwt, 18' Boom, CAT 3306 Turbo, Excellent U/C, Powershift Trans, 26" Pads ## Machine details ### General Specifications - **ropstype:** None ## Manufacturer specifications ### Engine - **Aspiration:** turbocharged - **Displacement:** 640.8 cu in (10500.85 cu cm) - **Engine Model:** 3306 ### Hydraulic System - **Pump Flow Capacity:** 43.9 gpm (166.16 lpm) - **Relief Valve Pressure:** 2250 psi ### Operating Specifications - **Hydraulic Fluid Capacity:** 12.1 gal (45.8 l) ### Standard Blade - **Blade Angle (both directions):** 12 degrees - **Capacity:** 4.3 cu yd (3.29 cu m) - **Height:** 44.5 in (113.03 cm) - **Width:** 10.5 ft (3.2 m) ### Undercarriage - **Ground Pressure:** 9.5 psi ## About this model The Caterpillar D6D is a crawler dozer designed for earthmoving, grading, and site preparation applications. Part of Caterpillar's D6 series, the D6D uses a tracked undercarriage for traction and stability on soft, uneven, or rough terrain. It is commonly used in construction, land clearing, road building, and material handling. The machine is known for its durable frame, dozer blade capability, and serviceability in demanding work environments. As a crawler dozer, the D6D provides controlled pushing power and low ground pressure compared with wheeled equipment. It remains a recognized model in used heavy equipment and industrial machinery references. ## Photos ![1991 Caterpillar D6D](https://media.sandhills.com/img.axd?id=1010322428&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=4USRR6oPNXVNkNesDWOEY0KZGZPFKtkg) ![1991 Caterpillar D6D photo 2](https://media.sandhills.com/img.axd?id=1010322404&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=4USRR6oPNXUn72hJwJdIt1jhG%2bZR2JQR) ![1991 Caterpillar D6D photo 3](https://media.sandhills.com/img.axd?id=1010322388&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=BlOEiyh1W2pKIYaKcuFKWOQBBmeLULxk) ![1991 Caterpillar D6D photo 4](https://media.sandhills.com/img.axd?id=1010322396&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=BlOEiyh1W2rroX3Wbd5mI13AuJm%2bGuTO) ![1991 Caterpillar D6D photo 5](https://media.sandhills.com/img.axd?id=1010322392&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=BlOEiyh1W2rRXVvZiurxDcsriE2oyBMV) ![1991 Caterpillar D6D photo 6](https://media.sandhills.com/img.axd?id=1010322412&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=4USRR6oPNXW5rp2eIB8NeBUpRwYnV9YZ) ![1991 Caterpillar D6D photo 7](https://media.sandhills.com/img.axd?id=1010322414&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=4USRR6oPNXUwU1CHqqi6Zpat0Ua4V0TA) ![1991 Caterpillar D6D photo 8](https://media.sandhills.com/img.axd?id=1010322418&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=4USRR6oPNXXPEV2oqPIHrGbgIahEz3pS) ![1991 Caterpillar D6D photo 9](https://media.sandhills.com/img.axd?id=1010322420&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=4USRR6oPNXWDI1%2fHYbUk%2fdxyOa3irEO6) ![1991 Caterpillar D6D photo 10](https://media.sandhills.com/img.axd?id=1010322426&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=4USRR6oPNXVCbbE9alPIH3pI6LEPSvyO) ![1991 Caterpillar D6D photo 11](https://media.sandhills.com/img.axd?id=1010322430&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=4USRR6oPNXUGzi3Bcq4w5E7Z%2foDFQtwi) ![1991 Caterpillar D6D photo 12](https://media.sandhills.com/img.axd?id=1010322432&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=4USRR6oPNXXSiHlvgirNnc920vcIZcT6) ![1991 Caterpillar D6D photo 13](https://media.sandhills.com/img.axd?id=1010322438&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=4USRR6oPNXV55O26Jf5EZfDUxzPyNrs1) ![1991 Caterpillar D6D photo 14](https://media.sandhills.com/img.axd?id=1010322444&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=4USRR6oPNXXbNTmGx4GOwFfV%2blGMOses) ![1991 Caterpillar D6D photo 15](https://media.sandhills.com/img.axd?id=1010322452&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=4USRR6oPNXXoZiIDqEP7HR4AtJRtr5rE) ![1991 Caterpillar D6D photo 16](https://media.sandhills.com/img.axd?id=1010322466&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=4USRR6oPNXXPvCVdMJpypiDTSy1GayqO) ![1991 Caterpillar D6D photo 17](https://media.sandhills.com/img.axd?id=1010322490&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=4USRR6oPNXUX5LOgmavOteKk7Esu6GvY) ![1991 Caterpillar D6D photo 18](https://media.sandhills.com/img.axd?id=1010322484&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=4USRR6oPNXWyYA4IoOSlN79JIxrgTBWV) ![1991 Caterpillar D6D photo 19](https://media.sandhills.com/img.axd?id=1010322478&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=4USRR6oPNXWNLdwfs%2f8VHiVVptbtkhsZ)