# 1978 Komatsu D155A-1 for Sale in Monticello, NY

**URL:** <https://www.constructionequipmentguide.com/used-equipment/komatsu/crawler-dozers/d155a-1/id/86735790>

## Listing details

- **Price:** $38,000.00 USD
- **Listing ID:** 86735790
- **Year:** 1978
- **Manufacturer:** Komatsu
- **Model:** D155A-1
- **Category:** Crawler Dozers
- **Location:** Monticello, NY

## Description

A heavy-duty, 320-horsepower crawler bulldozer designed for construction, mining, and large-scale earthmoving in tough terrain., Starts right up and runs, Everything functions as it should!, Engine sounds very nice, no smoke, \*Machine is located in Washingtonville, NY-please contact us to schedule a viewing\*

## Machine details

### General Specifications

- **horsepower:** 320
- **horsepowerUnit:** horsepower
- **hours:** 7000
- **enginemake:** KOMATSU
- **ropstype:** Open
- **operatingweight:** 59350
- **operatingweightUnit:** pound
- **shippingheight:** 11.4166666666667
- **shippingheightUnit:** foot
- **shippinglength:** 20
- **shippinglengthUnit:** foot
- **shippingwidth:** 10.8333333333333
- **shippingwidthUnit:** foot
- **ripper:** Yes
- **turbo:** Yes
- **tracktype:** Steel

## Manufacturer specifications

### Dimensions

- **Length of Track on Ground:** 10.4 ft (3.17 m)
- **Length w/o Blade:** 16.8 ft (5.12 m)
- **Width Over Tracks:** 9.3 ft (2.83 m)

### Engine

- **Aspiration:** turbocharged
- **Displacement:** 1175 cu in (19254.84 cu cm)
- **Engine Model:** S6D155-4
- **Gross Power:** 320 hp (238.63 kw)

### Operating Specifications

- **Cooling System Fluid Capacity:** 43.6 gal (165.03 l)
- **Fuel Capacity:** 158.6 gal (600.3 l)
- **Operating Weight:** 59350 lbs (26920.74 kg)

### Standard Blade

- **Capacity:** 13.7 cu yd (10.47 cu m)
- **Height:** 62.6 in (159 cm)
- **Width:** 13.6 ft (4.15 m)

### Transmission

- **Max Speed - Forward:** 7.4 mph (11.91 kph)
- **Max Speed - Reverse:** 8.6 mph (13.84 kph)
- **Number of Forward Gears:** 3
- **Number of Reverse Gears:** 3
- **Transmission Type:** planetary gear

### Undercarriage

- **Ground Pressure:** 11 psi
- **Number of Track Rollers per Side:** 7
- **Standard Shoe Size:** 22.1 in (56.13 cm)
- **Track Gauge:** 7.1 ft (2.16 m)

## About this model

Komatsu D155A-1 is a crawler dozer designed for earthmoving, grading, and site preparation in construction, mining, and land clearing applications. It is part of Komatsu's D155 series and uses a tracked undercarriage for traction and stability on soft, uneven, or steep terrain. The machine is typically equipped with a front blade for pushing and spreading material, and it is commonly used in bulk dozing and heavy-duty earthmoving work. The D155A-1 is recognized as a mid- to large-size crawler dozer in Komatsu's lineup, with serviceability and durability suited to demanding jobsite conditions and long operating cycles.

## Photos

![1978 Komatsu D155A-1](https://media.sandhills.com/img.axd?id=11015862114&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=VjTN25OdiLh4H3Msw7GpUbhZ9ulZGi6%2b)

![1978 Komatsu D155A-1 photo 2](https://media.sandhills.com/img.axd?id=11015862115&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=VjTN25OdiLiP6QofJtzxkKcS77Glrby%2b)

![1978 Komatsu D155A-1 photo 3](https://media.sandhills.com/img.axd?id=11015862116&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=VjTN25OdiLgiUIn5PauxTTOhzdS7OHiQ)

![1978 Komatsu D155A-1 photo 4](https://media.sandhills.com/img.axd?id=11015862117&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=VjTN25OdiLiXAgxJncrx8xUW5jOe4Tta)

![1978 Komatsu D155A-1 photo 5](https://media.sandhills.com/img.axd?id=11015862118&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=VjTN25OdiLjFBAbmORzrIkV3vCCHtJfb)

![1978 Komatsu D155A-1 photo 6](https://media.sandhills.com/img.axd?id=11015862119&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=VjTN25OdiLjji8bAmpHZeMtj89YmCYp2)

![1978 Komatsu D155A-1 photo 7](https://media.sandhills.com/img.axd?id=11015862121&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=VjTN25OdiLjzX6T97jsJZ%2bVABlIcYtGF)