For Case 680E models (manufactured from 1980 to 1987), the serial number plate is typically located on the left side of the machine frame near the loader tower or stamped on the transmission bell housing. Always verify your serial number when ordering, as mid-series changes affect part compatibility.
Case 680E Serial Numbers by Year
1974: #9111401 – 9118050
1975: #9118051 – 9121600
1976: #9121601 – 9127700
1977: #9127701 –
Key Specifications
Feature
Specification
Years Manufactured
1980 – 1987
Engine Model
Case 504BD (6-cylinder diesel)
Net Horsepower
88 HP (66 kW) @ 2,200 rpm
Max Torque
255 lb-ft (345 Nm) @ 1,400 rpm
Displacement
336 cu in (5.5 L)
Transmission Type
Power Shuttle (4 forward / 4 reverse)
Hydraulic Flow Rate
28 gal/min (106 L/min)
Hydraulic Pressure
2,300 psi (159 bar)
Operating Weight
Approx. 16,800 lbs (7,620 kg)
Loader Bucket Capacity
1.25 – 1.5 cu yd (0.96 – 1.15 m³)
Backhoe Digging Depth
Up to 17' (5.18 m)
Breakout Force (Loader)
11,800 lbs (5,352 kg)
Travel Speed (Max)
21.5 mph (34.6 km/h)
Dimensions (L×W×H)
23.1' × 7.5' × 10.5'
Performance & Design Highlights
High-Powered 6-Cylinder Engine
The Case 504BD engine delivers strong torque and horsepower for large-scale excavation, loading, and heavy lifting tasks.
Power Shuttle Transmission
4-speed forward/reverse shifting allows fast directional changes—ideal for trenching and material handling jobs.
Enhanced Hydraulics
A powerful 28 GPM hydraulic pump enables quick cycle times and deeper digging capacity compared to earlier models.
Reinforced Loader & Backhoe Frame
The 680E features thicker steel in high-stress areas, extending the working life under demanding construction conditions.
Maintenance & Common Issues
Routine Maintenance
Component
Service Interval
Engine Oil & Filter
Replace every 250 hours
Hydraulic Fluid & Filter
Replace every 1,000 hours
Fuel Filter
Replace every 500 hours
Air Filter
Inspect every 250 hours; replace as needed
Transmission Fluid
Change every 1,000 hours
Cooling System
Inspect and flush every 1,000 hours
Common Issues & Fixes
Issue
Quick Fix
Hydraulic Cylinder Drift
Repack or replace worn piston seals
Loader Arm Slop
Replace worn bushings and pins
Transmission Lag/Shifting
Check shuttle pressure; replace or service clutch packs
Engine Hard Starting
Inspect glow plugs, battery, fuel system
Weak Backhoe Force
Check hydraulic filter, pump, & control valve performance
Out of Stock
This item is OUT OF STOCK and must be special ordered.
Please call us to check availability.
Can’t Find What You’re Looking For?
Our knowledgeable staff will be happy to help you with any of your tractor, backhoe, dozer, or engine parts needs.
Do you need your part quickly? You're in luck! We have warehouses all over the country to ensure a quick and easy delivery time. Most of our parts ship from our warehouses the same day you place your order. And many times, orders are delivered in Two to Three days.
Our in house parts are manufactured following strict quality standards in our warehouse in Ohio. Parts such as hydraulic cylinders, pins, bushings, sheet metal, track adjusters, booms and dipper sticks are all ready to ship same day that they are purchased! With less time to wait for your shipment, you will be able to get back to work as quickly as possible.
Did you accidentally purchase the incorrect part? We offer returns and exchanges here at Broken Tractor. To proceed with a return, please call us toll free, and we will provide you with return authorization and a step by step return process for your convenience. We are more than happy to help you exchange your part for the correct one! Give us a call at 1-800-909-7060 and we would be pleased to help you.
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