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1988 Mack RD688S
This 1988 Mack RD688S is a diesel-powered truck built for logistics work. It runs a 300-horsepower Mack engine with a rebuilt condition, paired with a 6-speed manual transmission and air brakes. The truck carries a 22 cubic-yard capacity and rides on a Hendrickson spring suspension with 20,000 pounds front and 46,000 pounds rear capacity. Steel spoke wheels and 30-inch tires are fitted throughout. The odometer shows 80,000 miles, glass is in good condition, and there are no reported mechanical issues or body damage. Located in New York. Previously sold.
Stock Number
STK-583711000
Available Colors
Quantity
0 of 1 Available
Location
New York, USA
As-Is, Where-Is
All equipment is sold without warranty—no guarantees or returns. Condition is represented as accurately as possible.
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Item Details
| Industry | Logistics |
| Titled Vehicle | Yes |
| Template | Trucks |
| Year | 1988 |
| Make | Mack |
| Model | RD688S |
| Brake Type | Air |
| Capacity (Cubic Yards) | 22 |
| Engine Horsepower | 300 |
| Engine Make | Mack |
| Engine Condition | Rebuilt |
| Glass Condition | Good |
| L/F Tires | 30 |
| Odometer (Miles/Kilometers) | Miles |
| R/F Tires | 30 |
| Suspension MFR | Hendrickson |
| Suspension Type | Spring |
| Suspension LBS Front | 20000 |
| Suspension LBS Rear | 46000 |
| Suspension LBS Lift | 20000 |
| Transmission - # Speed | 6 |
| Transmission Manufacturer | Mack |
| Transmission Type | Manual |
| Wheel Composition | Steel |
| Wheel Type | Spoke |
| Wheelbase (Inches) | 24 |
| R/R Outside Tires | 30 |
| R/R Inside Tires | 30 |
| L/R Inside Tires | 30 |
| L/R Outside Tires | 30 |
| L/Center Outside Tires | 30 |
| L/Center Inside Tires | 30 |
| R/Center Inside Tires | 30 |
| R/Center Outside Tires | 30 |
| Mechanical Issues | none |
| Body Damage | none |
| Fuel Type | Diesel |
| Odometer Reading | 80,000 |
| Box Length (Feet) | 17 |
| Box Width (Inches) | 21 |
Trucks Summary
Trucks are essential in industries that need reliable over-the-road transport — including vocational, medium-duty, and long-haul applications. Engine specs, axle configuration, and transmission type all influence how a truck performs across different environments and payloads. Sleeper cabs, PTOs, and fuel capacity also affect fleet selection and daily operation.
These machines are often used by operators who need reliability more than flash. Fleet managers focus on cost per mile, maintenance schedules, and driver comfort. Independent operators look for resale value and ease of service. Everyone wants uptime and fuel efficiency, no matter the size of the outfit.
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