TRACTORCOMPARE.COM
Independent Agricultural Machinery Decision & Sizing Authority
Deere 7815 vs Deere 8320
Specification differential, power-to-weight analysis, hydraulic benchmarks, and equipment decision guidance.
Deere 7815
Category: Farm
Deere 8320
Category: Farm
Decisive Performance Differentials
- Deere 8320 provides +80.9 PTO HP more implement shaft power
- Deere 8320 provides +3.4 gpm higher base hydraulic flow (+11.3%)
Multi-Axis Capability Radar
Normalized 5-pillar operational benchmark comparison
Dual Field Action & Powertrain Sound
Side-by-side operational field footage verified with computer vision & acoustic audits.
Head-to-Head Specification Differential
Side-by-side technical parameters with calculated delta advantage & percent differentials
| Specification | Deere 7815 | Deere 8320 | Advantage Delta |
|---|---|---|---|
| Power & Output | |||
Rated Engine Horsepower | 202 HP | 268 HP | - |
PTO Horsepower (Tested) | 167 HP | 247.9 HP | +48.4%+80.9 PTO HP (+48.4%) |
Traction Density Ratio | 11.3 HP/1k lbs | N/A | - |
| Dimensions & Weight | |||
Base Operating Weight | 17,860 lbs | N/A | - |
| Engine Specs | |||
Displacement | 6.8 L | 8.1 L | +1.3L larger displacement |
Cylinders | 6 Cylinders | 6 Cylinders | - |
| Hydraulics & Implements | |||
Standard Hydraulic Pump Flow | 30.1 gpm | 33.5 gpm | +11.3%+3.4 gpm flow |
Rear SCV Remotes (Standard) | 2 Valves | 5 Valves | +3 extra standard remote circuits |
3-Point Hitch Category | Category 3/3N | Category IIIN Opt Optional | - |
| Chassis & Drivetrain | |||
Drive Configuration | 4WD | 4WD | - |
Transmission System | partial power shift | full power shift | - |
Buyer Decision Export Tools
Export side-by-side data for forums, Excel spreadsheets, or dealer negotiations
Operational Field Verdict Matrix
Algorithmic suitability assessment cross-referencing Nebraska draft tests against four agricultural workloads.
Primary Tillage & Deep Chisel Plowing
Comparative draft ballast analysis is unavailable due to missing unballasted operating weight specifications on one or both tractors.
Large-Scale Air Seeding & Hydraulic Drills
Deere leads with enhanced hydraulic pump capacity (33.5 gpm, +3.4 gpm advantage), preventing hydraulic oil overheating on wide vacuum seeders.
Road Hauling & Grain Cart Chase Duty
Insufficient operating weight or horsepower records to compute comparative road transport traction agility.
Soil Compaction & Wet Ground Flotation
Chassis weight data missing on one or both units; ground footprint contact pressure cannot be responsibly determined.
Deere 8320 holds a verified rated horsepower lead (268 HP vs 202 HP). However, essential operating ballast or auxiliary hydraulic pump ratings remain unrecorded for a definitive overall workload recommendation. Consult OEM dealer build sheets before pairing with demanding implements.
Decision Analysis & Editorial Verdict
Deere 8320 holds the specification edge across verified benchmark criteria, led by higher rated horsepower. Consider 8320 for demanding high-capacity field duties, while Deere 7815 provides a competitive footprint for alternative duty cycles.
Request Authorized Dealer Best Quote & Availability
Skip the runaround. Receive competitive manufacturer incentive packages, verified stock status, and freight estimates from top regional dealers.
Equipment Financing & Monthly Payment Estimator
Model cash flows, estimated installment burdens, and financing differentials for agricultural leases or loans.
*Indicative estimates based on standard Tier-1 agricultural commercial rates. Taxes, freight, attachments, and insurance not included.