Maintaining the correct refrigerant levels in your John Deere equipment is crucial for optimal air conditioning performance. This comprehensive guide provides detailed refrigerant capacities, oil types, and quantities for various John Deere models, ensuring your machinery operates efficiently and comfortably. Let’s jump in.
John Deere Refrigerant Capacity Chart
| Model Series | Refrigerant Type | Refrigerant Quantity (g) | Compressor Oil Type | Oil Quantity (ml) |
|---|---|---|---|---|
| 5050R – 5100R | R134a | 1600 | PAG ISO 46 | 250 |
| 5080GF / 5090G | R134a | 1200 | PAG ISO 46 | 250 |
| 5080M – 5100M | R134a | 1600 | PAG ISO 46 | 250 |
| 5620 – 5820 | R134a | 1600 | PAG ISO 46 | 280 |
| 6000 – 6900 | R134a | 1300 | PAG ISO 46 | 190 |
| 6000SE – 6900SE | R134a | 1450 | PAG ISO 46 | 250 |
| 6010 – 6910 | R134a | 1300 | PAG ISO 46 | 190 |
| 6010SE – 6610SE | R134a | 1450 | PAG ISO 46 | 250 |
| 6020 – 6920 | R134a | 1450 | PAG ISO 46 | 220 |
| 6800 – 6900 | R134a | 1300 | – | – |
| 6810 – 6910 S | R134a | 1300 | – | – |
| 6820 – 6920 S | R134a | 1450 | – | – |
| 7200R – 7800R | R134a | 1850 | PAG ISO 46 | 255 |
| 7600 – 7800 | R134a | 1700 | PAG ISO 46 | 255 |
| 7610 – 7810 | R134a | 1800 | PAG ISO 46 | 255 |
| 7720 – 7920 | R134a | 1800 | PAG ISO 46 | 255 |
| 8110 – 8410 | R134a | 2150 | PAG ISO 46 | 255 |
| 8120 – 8520 | R134a | 2450 | PAG ISO 46 | 255 |
| 8130 – 8530 | R134a | 2050 | PAG ISO 46 | 255 |
| 8225R – 8370R | R134a | 2050 | PAG ISO 46 | 255 |
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Best John Deere Refrigerant
1. John Deere R-1234yf Refrigerant (8 oz)
A newer, eco-friendly refrigerant designed for systems that specifically require R-1234yf. Provides efficient cooling while meeting environmental standards.
- Suitable for modern John Deere A/C systems
- Compact 8 oz can for quick top-offs
- Low global warming potential
2. Generic R-134a Automotive A/C Refrigerant (1 lb)
A widely used refrigerant for John Deere tractors and equipment that require R-134a. Reliable cooling performance and compatible with most A/C systems.
- Standard 1 lb can size
- Compatible with OEM and retrofit systems
- Easy to apply for regular servicing
3. EPA Certified R-134a Refillable Can (with gauge)
Comes with a built-in gauge for accurate pressure monitoring, making it ideal for DIY servicing. Refillable can reduce waste and long-term costs.
- Integrated gauge for precision
- Refillable and reusable
- Great for ongoing maintenance
4. A/C Professional R-134a Refrigerant (1 lb)
A trusted refrigerant option that delivers consistent cooling for John Deere machinery. Easy-to-use canister suitable for small to medium-sized systems.
- Reliable 1 lb container
- Professional-grade quality
- Works with most tractor A/C systems
5. OEM-grade R-134a Refrigerant 12-Pack (1 lb each)
A bulk pack perfect for servicing multiple John Deere machines or fleets. Provides consistent refrigerant quality with cost savings in larger quantities.
- 12 cans of 1 lb each
- Ideal for heavy use or multiple tractors
- OEM-grade quality for long-lasting performance
Importance of Correct Refrigerant Levels
Maintaining the specified refrigerant and oil levels is vital for:
- Optimal Cooling Performance: Ensures the air conditioning system operates efficiently.
- Component Longevity: Prevents undue stress on the compressor and other components.
- Energy Efficiency: Reduces fuel consumption by minimizing the load on the engine.
Overcharging or undercharging the system can lead to decreased performance and potential damage. Always adhere to the manufacturer’s specifications.
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FAQ
How much R-134a refrigerant is required?
The required amount of R-134a refrigerant varies by equipment type and model. For John Deere tractors, refrigerant capacity typically ranges between 1200g and 2450g depending on the model. Always refer to the manufacturer’s chart or service manual to find the exact capacity for your specific model to avoid undercharging or overcharging the system.
How do you calculate refrigerant capacity?
Refrigerant capacity isn’t usually “calculated” manually in the field. It’s determined by the manufacturer based on the design of the air conditioning system. However, during repairs or retrofits, technicians might estimate using:
- System component sizes (evaporator, condenser, lines)
- Refrigerant pressure readings
- Superheat and subcooling values
- Weight measurements with a scale during recovery or charging
What refrigerant is used in John Deere tractors?
Most modern John Deere tractors use R-134a refrigerant. Older models may use R-12, and newer equipment might be moving toward R-1234yf due to environmental regulations, but R-134a remains the industry standard for current John Deere agricultural and construction equipment.
What units is refrigerant capacity?
Refrigerant capacity is usually measured in:
- Grams (g) – most commonly used in vehicle and machinery specs
- Pounds (lbs) or ounces (oz) – used in North America
- Kilograms (kg) – in metric technical manuals
For example, a John Deere tractor may specify 1450g of R-134a, which is approximately 3.2 pounds.
How much freon does a John Deere 4455 take?
The John Deere 4455 typically requires approximately 3.0 to 3.3 pounds (1360g to 1500g) of R-12 refrigerant if it’s an original system. If it has been retrofitted to R-134a, it generally requires slightly less, around 80-90% of the original R-12 charge, which equates to about 1200g to 1350g of R-134a.
What oil is used with R-410A refrigerant?
R-410A refrigerant uses POE (Polyolester) oil, not PAG oil which is used with R-134a systems. POE oil is necessary due to its compatibility with the chemical structure of R-410A and its excellent lubricating properties at high pressure. Common types include:
- POE 32 (ISO VG 32)
- POE 46 (ISO VG 46)
