# 1978 Caterpillar D6D

**URL:** <https://www.constructionequipmentguide.com/used-equipment/caterpillar/crawler-dozers/d6d/id/89259523>

> This machine has been sold or is not currently for sale.

## Listing details

- **Price:** Sold
- **Listing ID:** 89259523
- **Year:** 1978
- **Manufacturer:** Caterpillar
- **Model:** D6D
- **Category:** Crawler Dozers
- **Hours:** 4607
- **Serial number:** 04X2638
- **Location:** Edmonton, Ab
- **Auction starts:** 2026-09-22

## Description

Located in Lane 2 Spot 10, 160 in Wide Angle Blade Winch, Drawbar, 28 in Single Grouser Track Shoes Closing Time: 2026-09-22 10:28:00 AM

## Manufacturer specifications

### Dimensions

- **Ground Clearance:** 1.19 ft (0.36 m)
- **Ground Clearance:** 1.02 ft (0.31 m)
- **Height:** 9.4167 ft (2.87 m)
- **Height To Top Of Cab:** 9.52 ft (2.9 m)
- **Height To Top Of Cab:** 9.42 ft (2.87 m)
- **Length:** 12.25 ft (3.73 m)
- **Length:** 15 ft (4.57 m)
- **Length Of Track On Ground:** 6.01 ft (1.83 m)
- **Length Of Track On Ground:** 7.75 ft (2.36 m)
- **Length W/O Blade:** 10.5 ft (3.2 m)
- **Length W/O Blade:** 13 ft (3.96 m)
- **Weight:** 31400 lbs (14242.82 kg)
- **Weight:** 30000 lbs (13607.79 kg)
- **Width:** 7.75 ft (2.36 m)
- **Width:** 6.4167 ft (1.96 m)
- **Width Over Tracks:** 7.85 ft (2.39 m)
- **Width Over Tracks:** 6.5 ft (1.98 m)

### Engine

- **Aspiration:** turbocharged
- **Displacement:** 640.8 cu in (10500.85 cu cm)
- **Engine Make:** 2236
- **Engine Model:** 3306
- **Gross Power:** 165 hp (123.04 kw)
- **Gross Power:** 139.5 hp (104.03 kw)

### Hydraulic System

- **Pump Flow Capacity:** 43.9 gpm (166.16 lpm)
- **Relief Valve Pressure:** 2250 psi

### Operational

- **Fuel Capacity:** 115 gal (435.28 l)
- **Fuel Capacity:** 62.9 gal (238.08 l)
- **Hydraulic Fluid Capacity:** 12.1 gal (45.8 l)
- **Operating Weight:** 28990.8 lbs (13150.02 kg)
- **Operating Weight:** 20359.7 lbs (9235.02 kg)

### Standard Blade

- **Blade Angle (Both Directions):** 12 degrees
- **Capacity:** 4.3 cu yd
- **Cutting Depth:** 18.6 in (47.24 cm)
- **Cutting Depth:** 9.1 in (23.11 cm)
- **Height:** 44.5 in (113.03 cm)
- **Width:** 10.5 ft (3.2 m)

### Transmission

- **Max Speed - Forward:** 6.8 mph (10.94 kph)
- **Max Speed - Forward:** 5.6 mph (9.01 kph)
- **Max Speed - Reverse:** 8.1 mph (13.04 kph)
- **Max Speed - Reverse:** 6.3 mph (10.14 kph)
- **Number Of Forward Gears:** 3
- **Number Of Forward Gears:** 6
- **Number Of Reverse Gears:** 3
- **Number Of Reverse Gears:** 5
- **Transmission Type:** powershift
- **Transmission Type:** direct drive

### Undercarriage

- **Ground Contact Area:** 3720.01 in2
- **Ground Contact Area:** 2294.01 in2
- **Ground Pressure:** 9.43 psi
- **Number Of Track Rollers Per Side:** 6
- **Number Of Track Rollers Per Side:** 5
- **Standard Shoe Size:** 15.99 in (40.61 cm)
- **Standard Shoe Size:** 20.08 in (51 cm)
- **Track Gauge:** 4.99 ft (1.52 m)
- **Track Gauge:** 6.17 ft (1.88 m)

## About this model

The Caterpillar D6D is a crawler dozer produced by Caterpillar for earthmoving, grading, and site preparation work. It is part of the D6 series and is commonly used in construction, road building, land clearing, and general dozing applications. The D6D is known for its tracked undercarriage, blade-mounted pushing capability, and suitability for work on soft, uneven, or rough terrain. Typical configurations may include a straight blade or other dozer blade options, depending on application and market. As a used machine, specifications can vary by year, serial number, and equipment setup.

## Photos

![1978 Caterpillar D6D](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/23003/171/cf41fcef-9340-419f-b211-b68ff6c16a37-hr.jpg)

![1978 Caterpillar D6D photo 2](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/23003/171/ad3e207b-e1d3-35c3-962f-d39419fab306-hr.jpg)

![1978 Caterpillar D6D photo 3](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/23003/171/fe884616-ab13-397b-ad5a-c614c684e095-hr.jpg)

![1978 Caterpillar D6D photo 4](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/23003/171/34149fe3-85f8-3a04-a293-3836dd91198b-hr.jpg)

![1978 Caterpillar D6D photo 5](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/23003/171/7b0fffd8-e768-3fdc-b158-6746f629f90e-hr.jpg)

![1978 Caterpillar D6D photo 6](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/23003/171/ca573472-48f9-42c8-be4d-e96234298a57-hr.jpg)

![1978 Caterpillar D6D photo 7](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/23003/171/76bce1d6-7dbb-499a-b45a-94336812a812-hr.jpg)

![1978 Caterpillar D6D photo 8](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/23003/171/057f802c-03ca-4787-9d99-332b13234404-hr.jpg)

![1978 Caterpillar D6D photo 9](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/23003/171/6be1bb5c-de59-443e-8f83-1656df481cfd-hr.jpg)

![1978 Caterpillar D6D photo 10](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/23003/171/96858f72-6841-43f8-a477-e56b80d83a1b-hr.jpg)

![1978 Caterpillar D6D photo 11](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/23003/171/098460da-7361-483c-9b12-fb51d901e816-hr.jpg)