TRACTORCOMPARE.COM
Independent Agricultural Machinery Decision & Sizing Authority
Deere 8430T vs Steiger Cougar III PTA-251
Specification differential, power-to-weight analysis, hydraulic benchmarks, and equipment decision guidance.
Deere 8430T
Category: Farm
Steiger Cougar III PTA-251
Category: Farm • Production: 1981
Decisive Performance Differentials
- Deere 8430T provides +173.2 PTO HP more implement shaft power
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 8430T | Steiger Cougar III PTA-251 | Advantage Delta |
|---|---|---|---|
| Power & Output | |||
Rated Engine Horsepower | 335 HP | 251 HP | - |
PTO Horsepower (Tested) | 298.2 HP | 125 HP | +138.6%+173.2 PTO HP (+138.6%) |
Traction Density Ratio | 11.6 HP/1k lbs | N/A | - |
| Dimensions & Weight | |||
Base Operating Weight | 28,790 lbs | N/A | - |
| Engine Specs | |||
Displacement | 9 L | 14 L | +5L larger displacement |
Cylinders | 6 Cylinders | 6 Cylinders | - |
| Hydraulics & Implements | |||
Standard Hydraulic Pump Flow | 33.5 gpm | N/A (Check Option Pack) | - |
Rear SCV Remotes (Standard) | 3 Valves | Optional / Standard | - |
3-Point Hitch Category | Category III/IIIN | Standard Hitch | - |
| Chassis & Drivetrain | |||
Drive Configuration | Tracks (Crawler) | 4WD | - |
Transmission System | full power shift | Mechanical / PowerShift | - |
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
Dedicated remote circuit hydraulic flow ratings are incomplete. Direct comparative seeding capacity requires dealer-verified option build sheets.
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 8430T holds a verified rated horsepower lead (335 HP vs 251 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 8430T holds the specification advantage across verified metrics, led by higher rated horsepower. For heavy field draft tasks, evaluate 8430T; for operations sensitive to operating costs or implement compatibility, Steiger Cougar III PTA-251 remains a direct benchmark contender.
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.