For Case 680C models (manufactured from 1975 to 1980), the serial number plate is typically located on the left side of the machine frame near the loader tower or on the transmission housing behind the engine. Always verify your serial number before ordering, as Case made component changes throughout the 680C’s production.
Case 680C Serial Numbers by Year
1971: #9106000 – 9108025
1972: #9108026 – 9110999
1973: #9111000 – 9111400
1974: #9111401 – 9118050
1975: #9118051 – 9121600
1976: #9121601+
Key Specifications
Feature
Specification
Years Manufactured
1975 – 1980
Engine Model
Case G207D (4-cylinder diesel)
Net Horsepower
70 HP (52 kW) @ 2,000 rpm
Max Torque
191 lb-ft (259 Nm) @ 1,200 rpm
Displacement
207 cu in (3.4 L)
Transmission Type
Power Shuttle (4 forward / 4 reverse)
Hydraulic Flow Rate
22 gal/min (83 L/min)
Hydraulic Pressure
2,300 psi (159 bar)
Operating Weight
Approx. 15,500 lbs (7,031 kg)
Loader Bucket Capacity
1.25 cu yd (0.96 m³)
Backhoe Digging Depth
Up to 15' (4.57 m)
Breakout Force (Loader)
Approx. 9,400 lbs (4,263 kg)
Travel Speed (Max)
21 mph (33.8 km/h)
Dimensions (L×W×H)
22.2' × 7.3' × 10.3'
Performance & Design Highlights
Improved Powertrain Over 680B
The 680C featured a stronger torque converter and upgraded power shuttle, allowing for smoother directional changes under load.
Durable Engine & Hydraulics
The proven G207D diesel engine and upgraded hydraulic pump deliver strong breakout and digging power in demanding conditions.
Operator-Accessible Controls
Simplified mechanical controls and improved visibility made the 680C popular for a wide range of operators and jobsites.
Tough Loader Frame & Attachments
Reinforced loader towers, backhoe boom, and bucket mounts extend service life in heavy-duty trenching and loading.
Maintenance & Common Issues
Routine Maintenance
Component
Service Interval
Engine Oil & Filter
Replace every 250 hours
Hydraulic Fluid & Filter
Service every 1,000 hours
Fuel Filter
Replace every 500 hours
Transmission Fluid
Replace every 1,000 hours
Air Filter
Clean every 250 hours; replace as needed
Cooling System
Inspect and flush every 1,000 hours
Common Issues & Fixes
Issue
Quick Fix
Loader Arm Slop
Inspect and replace worn pins and bushings
Shuttle Transmission Lag
Check fluid level and linkage; inspect seals
Weak Hydraulics
Replace filters; inspect relief valve and worn pump
Steering Play
Check tie rods and steering cylinder mounts
Engine Hesitation or Smoke
Inspect injectors, air intake, and fuel filters
Out of Stock
This item is OUT OF STOCK and must be special ordered.
Please call us to check availability.
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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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