# 1998 Caterpillar 623F for Sale in Denver, Co

**URL:** <https://www.constructionequipmentguide.com/used-equipment/caterpillar/scrapers/623f/id/89059270>

## Listing details

- **Price:** Auction pricing
- **Listing ID:** 89059270
- **Year:** 1998
- **Manufacturer:** Caterpillar
- **Model:** 623F
- **Category:** Scrapers
- **Type:** Elevating Scrapers
- **Hours:** 16018
- **Serial number:** 6BK00507
- **Location:** Denver, Co
- **Auction starts:** 2026-08-26

## Description

Located in Lane 3 Spot 9, Enclosed Cab, Air Conditioner, 29.5R29 Tires Closing Time: 2026-08-26 09:04:07 AM

## Manufacturer specifications

### Bowl

- **Heaped Capacity:** 23.1 cu yd (17.66 cu m)
- **Max Depth of Cut:** 13 in (33.02 cm)
- **Rated Payload:** 55201.6 lbs (25039.06 kg)
- **Struck Capacity:** 18.1 cu yd (13.84 cu m)
- **Width of Cut:** 11.5 ft (3.51 m)

### Dimensions

- **Front of Tractor to Front Axle:** 17 in (43.18 cm)
- **Height - Overall Shipping:** 140 in (355.6 cm)
- **Height - Scraper Blade Maximum:** 16 in (40.64 cm)
- **Height - Top of Cab:** 11.1 ft (3.38 m)
- **Length - Overall Machine:** 523 in (1328.42 cm)
- **Overall Height:** 12.1 ft (3.69 m)
- **Overall Length:** 43.4 ft (13.23 m)
- **Rear Axle - Rear of Machine:** 86 in (218.44 cm)
- **Rim Radius:** 17 in (43.18 cm)
- **Wheel Base:** 26.2 ft (7.99 m)
- **Wheelbase:** 26.2 ft (7.99 m)
- **Width - Inside of Bowl:** 116 in (294.64 cm)
- **Width - Outside Rear Tires:** 120 in (304.8 cm)
- **Width - Overall Machine:** 140 in (355.6 cm)
- **Width - Rear Tire Center Lines:** 87 in (220.98 cm)
- **Width - Tractor:** 117 in (297.18 cm)

### Elevator

- **Length - Flights:** 89 in (226.06 cm)
- **Length - Overall:** 146.9 in (373.13 cm)
- **Number of Flights:** 15
- **Spacing of Flights:** 20 in (50.8 cm)
- **Width - Flight Face:** 8.5 in (21.59 cm)

### Engine

- **Bore:** 5.4 in (13.72 cm)
- **Displacement:** 893 cu in (14633.68 cu cm)
- **Gross Power - Gears 1-2:** 383 hp (285.61 kw)
- **Net Power:** 365 hp (272.18 kw)
- **Net Power - Gears 1-2:** 365 hp (272.18 kw)
- **Stroke:** 6.5 in (16.51 cm)
- **Tractor Engine:** 3406C

### Hydraulic System

- **Bowl Cylinder Bore:** 6 in (15.24 cm)
- **Bowl Cylinder Stroke:** 20 in (50.8 cm)
- **Compensator Settings - Cushion Hitch Circuit:** 2300 psi
- **Compensator Settings - Elevator Circuit:** 5250 psi
- **Cushion Hitch Circuit:** 8.6 gpm (32.55 lpm)
- **Ejector Cylinder Bore:** 5 in (12.7 cm)
- **Ejector Cylinder Stroke:** 47.8 in (121.41 cm)
- **Floor Cylinder Bore:** 6 in (15.24 cm)
- **Floor Cylinder Stroke:** 53.3 in (135.38 cm)
- **Relief Valve - Implement Circuit:** 2500 psi
- **Relief Valve - Steering Circuit:** 2250 psi
- **Scraper Circuit:** 62.2 gpm (235.43 lpm)
- **Steering Circuit:** 56 gpm (211.96 lpm)
- **Supplemental Steering Circuit:** 37 gpm (140.05 lpm)

### Operating Specifications

- **Fuel Capacity:** 160.1 gal (605.98 l)

### Scraper Bowl

- **Capacity - Struck:** 18 cu yd (13.76 cu m)
- **Cutting Edge Thickness:** 1.4 in (3.56 cm)
- **Depth of Cut - Maximum:** 13 in (33.02 cm)
- **Depth of Spread - Maximum:** 15 in (38.1 cm)
- **Ground Clearance - Maximum:** 15.3 in (38.86 cm)
- **Hydraulic Penetration Force:** 33750 lbs (15308.76 kg)
- **Rated Load:** 55000 lbs (24947.61 kg)
- **Scraper Capacity - Heaped:** 23 cu yd (17.58 cu m)
- **Width - Cut - To Router Bits:** 11.5 in (29.21 cm)

### Scraper Engine

- **Displacement:** 891 cu in (14600.91 cu cm)

### Service Refill Capacities

- **Cooling System:** 22 gal (83.27 l)
- **Crankcase:** 9.5 gal (35.96 l)
- **Differential:** 43 gal (162.76 l)
- **Final Drive - Each:** 5 gal (18.93 l)
- **Fuel Tank:** 160 gal (605.6 l)
- **Hydraulic Reservoir:** 37 gal (140.05 l)
- **Transmission:** 19 gal (71.92 l)
- **Wheel Coolant - Each:** 12 gal (45.42 l)

### Steering System

- **Ground-Driven Secondary Steering System:** 39.9 gpm (151.02 lpm)
- **Hydraulic Output:** 52 gpm (196.82 lpm)
- **Steering Angle - Left:** 85 degrees
- **Steering Angle - Right:** 90 degrees
- **Width - 180 degrees Turn:** 35.8 ft (10.91 m)

### Tractor Engine

- **Gross Power:** 365 hp (272.18 kw)

### Transmission

- **1 Forward:** 3.1 mph (4.99 kph)
- **2 Forward:** 5.6 mph (9.01 kph)
- **3 Forward:** 7.1 mph (11.43 kph)
- **4 Forward:** 9.6 mph (15.45 kph)
- **5 Forward:** 12.9 mph (20.76 kph)
- **6 Forward:** 17.5 mph (28.16 kph)
- **7 Forward:** 23.6 mph (37.98 kph)
- **8 Forward:** 31.9 mph (51.34 kph)
- **Max Speed Forward:** 29.9 mph (48.12 kph)
- **Reverse:** 5.4 mph (8.69 kph)

### Weights

- **Front Axle:** 52050 lbs (23609.51 kg)
- **Front Axle Weight - Loaded:** 69985 lbs (31744.7 kg)
- **Rear Axle:** 29200 lbs (13244.91 kg)
- **Rear Axle - Weight - Loaded:** 68760 lbs (31189.05 kg)
- **Scraper Shipping:** 29200 lbs (13244.91 kg)
- **Total Shipping:** 80231 lbs (36392.21 kg)
- **Tractor Shipping:** 52050 lbs (23609.51 kg)

## About this model

The Caterpillar 623F is a self-loading wheel tractor-scraper in Caterpillar's scraper lineup, designed for earthmoving, site preparation, and bulk material hauling. It uses a single-engine, open-bowl scraper configuration with a rear push-pull arrangement for efficient loading and unloading in medium to large-scale grading and excavation work. The 623F is commonly used in road construction, mining support, land development, and large civil projects where high-volume material movement is required. Key features typically include hydrostatic or powershift drivetrain components, large-capacity bowl, and operator controls designed for productivity, traction, and cycle efficiency in varied soil conditions.

## Photos

![1998 Caterpillar 623F](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22842/556/ed3f5fd2-66b5-45be-b844-8e29df2e6b6b-hr.jpg)

![1998 Caterpillar 623F photo 2](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22842/556/aba7dbbc-f76f-4569-9bfd-894377cd1f85-hr.jpg)

![1998 Caterpillar 623F photo 3](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22842/556/70c6b4c6-d914-4e12-86bc-ad2d869eec15-hr.jpg)

![1998 Caterpillar 623F photo 4](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22842/556/75bd7cb1-acd7-46d3-b5b7-2300ec2e41f2-hr.jpg)

![1998 Caterpillar 623F photo 5](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22842/556/b080c3ef-5fbf-4616-86ba-44651c26ecae-hr.jpg)

![1998 Caterpillar 623F photo 6](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22842/556/a43b4e7b-854e-4d6a-bc56-46e4c73e9f73-hr.jpg)

![1998 Caterpillar 623F photo 7](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22842/556/01c8029a-78bc-43a6-bd4c-cf8271bb2f28-hr.jpg)

![1998 Caterpillar 623F photo 8](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22842/556/b182fce7-9f64-4e44-81f3-488f09f35fbe-hr.jpg)

![1998 Caterpillar 623F photo 9](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22842/556/888711ec-8654-427d-9ca7-80db71b15e88-hr.jpg)

![1998 Caterpillar 623F photo 10](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22842/556/eb7a3cd5-6656-4daf-9a02-e190f2d408a0-hr.jpg)

![1998 Caterpillar 623F photo 11](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22842/556/8897fafa-61e7-4b38-b795-c0f25a37da28-hr.jpg)

![1998 Caterpillar 623F photo 12](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22842/556/9760f419-e93c-4540-aaf4-ae2623def171-hr.jpg)

![1998 Caterpillar 623F photo 13](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22842/556/b284b057-15a8-4fb0-95b6-2861495b8d42-hr.jpg)

![1998 Caterpillar 623F photo 14](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22842/556/36819d9d-68df-4ef3-9015-49bb70333b4f-hr.jpg)

![1998 Caterpillar 623F photo 15](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22842/556/0949ef4d-bfa2-4684-9fbf-ac23d57181ca-hr.jpg)

![1998 Caterpillar 623F photo 16](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22842/556/80788468-bcc0-4b14-9281-b11da2a7d596-hr.jpg)

![1998 Caterpillar 623F photo 17](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22842/556/397199bc-15cf-4b65-a263-e482ade5846e-hr.jpg)

![1998 Caterpillar 623F photo 18](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22842/556/42f6d6bc-d93b-4a55-92a3-f7e860dffecd-hr.jpg)

![1998 Caterpillar 623F photo 19](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22842/556/c1d97a23-bf10-4366-bb9d-02239147fa07-hr.jpg)

![1998 Caterpillar 623F photo 20](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22842/556/1539f30f-4ea4-4750-8301-9bbd4c65307a-hr.jpg)

![1998 Caterpillar 623F photo 21](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22842/556/e24f4b91-c7ee-4472-a2cc-b274bd7946ff-hr.jpg)

![1998 Caterpillar 623F photo 22](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22842/556/b0895aad-ec5c-4354-9ecc-f28eaf04798c-hr.jpg)

![1998 Caterpillar 623F photo 23](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22842/556/bad8d67e-f12b-4188-9f0c-7970c6ff8407-hr.jpg)

![1998 Caterpillar 623F photo 24](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22842/556/7b1c951e-1728-4b76-9750-247df30aec45-hr.jpg)

![1998 Caterpillar 623F photo 25](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22842/556/5da691cc-f3c1-484d-aa67-cc358e63c48d-hr.jpg)