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Independent Agricultural Machinery Decision & Sizing Authority
Allis Chalmers D19 vs Fiat 640
Specification differential, power-to-weight analysis, hydraulic benchmarks, and equipment decision guidance.
Allis Chalmers D19
Category: Farm
Fiat 640
Category: Farm
Decisive Performance Differentials
- Allis Chalmers D19 provides +9.5 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 | Allis Chalmers D19 | Fiat 640 | Advantage Delta |
|---|---|---|---|
| Power & Output | |||
Rated Engine Horsepower | 85 HP | 64 HP | - |
PTO Horsepower (Tested) | 71.5 HP | 62 HP | +15.3%+9.5 PTO HP (+15.3%) |
Traction Density Ratio | N/A | 12.9 HP/1k lbs | - |
| Dimensions & Weight | |||
Base Operating Weight | N/A | 4,961 lbs | - |
| Engine Specs | |||
Displacement | 4.3 L | 3.5 L | +0.8L larger displacement |
Cylinders | 6 Cylinders | 4 Cylinders | - |
| Chassis & Drivetrain | |||
Drive Configuration | 2WD | 4WD | - |
Transmission System | sliding gear | gear | - |
| Hydraulics & Implements | |||
3-Point Hitch Category | Category II | Category II/I | - |
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.
Allis Chalmers D19 holds a verified rated horsepower lead (85 HP vs 64 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
Allis Chalmers D19 holds the specification advantage across verified metrics, led by higher rated horsepower. For heavy field draft tasks, evaluate D19; for operations sensitive to operating costs or implement compatibility, Fiat 640 remains a direct benchmark contender.
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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.