HEAD-TO-HEAD EQUIPMENT SHOWDOWN

CaseIH STX480 vs New Holland T9.645 SmartTrax II

Specification differential, power-to-weight analysis, hydraulic benchmarks, and equipment decision guidance.

Different Measurement ProtocolsMeasurement standard or power basis is unspecified for one or both machines.
CaseIH
Spec Winner

CaseIH STX480

Category: Farm

CaseIH STX480
TRACTORCOMPARE.COM
Power480 HP
Weight44,645lbs
Pump FlowN/Agpm
New Holland

New Holland T9.645 SmartTrax II

Category: Farm

New Holland T9.645 SmartTrax II
TRACTORCOMPARE.COM
Power638 HP
Weight58,730lbs
Pump FlowN/Agpm

Decisive Performance Differentials

  • CaseIH STX480 provides +5.2 PTO HP more implement shaft power
  • New Holland T9.645 SmartTrax II provides +14,085 lbs more unballasted traction mass

Multi-Axis Capability Radar

Normalized 5-pillar operational benchmark comparison

CaseIH STX480
New Holland T9.645 SmartTrax II
Engine PowerBallast MassHydraulicsDisplacementGear Versatility
Engine PowerRated Horsepower
480 HPvs638 HP
Ballast MassOperating Weight
44,645 lbsvs58,730 lbs
HydraulicsStandard Flow
Option Pack RequiredvsOption Pack Required
DisplacementEngine Liters
14.9 Lvs12.9 L
Gear VersatilitySpeeds / Range
16F / 2Rvs17F / 2R
FIELD PROVEN FOOTAGE SHOOTOUT

Dual Field Action & Powertrain Sound

Side-by-side operational field footage verified with computer vision & acoustic audits.

VLM Visual & Audio Audited
CaseIH STX480
Case IH STX480 Tractor For Sale
Case IH STX480 Tractor For Sale
Takes (3):
Channel: TitanofCasseltonWatch on YouTube
New Holland T9.645 SmartTrax II
New Holland T9.645 SmartTrax II 2025 | Most Powerful Tractor Detailed Review
New Holland T9.645 SmartTrax II 2025 | Most Powerful Tractor Detailed Review
Channel: StreetOfIndiaWatch on YouTube

Head-to-Head Specification Differential

Side-by-side technical parameters with calculated delta advantage & percent differentials

SpecificationCaseIH STX480New Holland T9.645 SmartTrax IIAdvantage Delta
Power & Output
Rated Engine Horsepower
480 HP
638 HP
-
PTO Horsepower (Tested)
483.2 HP
478 HP
+1.1%+5.2 PTO HP (+1.1%)
Traction Density Ratio
10.8 HP/1k lbs
10.9 HP/1k lbs
Tie
Dimensions & Weight
Base Operating Weight
44,645 lbs
58,730 lbs
+31.5%+14,085 lbs heavier
Engine Specs
Displacement
14.9 L
12.9 L
+2L larger displacement
Cylinders
6 Cylinders
6 Cylinders
-
Chassis & Drivetrain
Drive Configuration
4WD
Tracks (4-Track)
-
Transmission System
full power shift
full power shift
-
Hydraulics & Implements
Rear SCV Remotes (Standard)
4 Valves
4 Valves
Tie
3-Point Hitch Category
Category IVN
Category IVN Opt Optional
-
✓Specifications independently cross-referenced with official OECD & Nebraska test codes.
Official Engineering Test Reports

Buyer Decision Export Tools

Export side-by-side data for forums, Excel spreadsheets, or dealer negotiations

AI MATCHUP ARBITER & FIELD WORKLOAD ADVISOR

Operational Field Verdict Matrix

Algorithmic suitability assessment cross-referencing Nebraska draft tests against four agricultural workloads.

Real-time Engineering Synthesis

Primary Tillage & Deep Chisel Plowing

New Holland Recommended

New Holland commands superior frame weight (+14,085 lbs) for continuous draft traction in heavy gumbo soils.

Tractive efficiency in heavy soil depends heavily on static axle load rather than pure unballasted horsepower.

Large-Scale Air Seeding & Hydraulic Drills

Data Inconclusive

Dedicated remote circuit hydraulic flow ratings are incomplete. Direct comparative seeding capacity requires dealer-verified option build sheets.

Variable-rate air carts require independent remote valve pressure regulation without starving steering hydraulics.

Road Hauling & Grain Cart Chase Duty

Balanced Agility

Both tractors exhibit matched power-to-weight agility (10.75 vs 10.86 HP/1,000 lb).

Higher agility power-to-weight ratios dramatically improve turnaround times during peak harvesting windows.

Soil Compaction & Wet Ground Flotation

CaseIH Recommended

CaseIH STX480 features a lighter footprint (-14,085 lbs), reducing deep subsoil compaction during damp spring planting windows.

Preserving soil porosity and preventing hardpan buildup saves diesel fuel in subsequent years.
Fleet Manager Recommendation

Select CaseIH STX480 for superior overall technical balance across evaluated field tasks.

Evidence Coverage80%Empirical Spec Depth

Decision Analysis & Editorial Verdict

Engine Decision Verdict

CaseIH STX480 holds the specification advantage across verified metrics. For heavy field draft tasks, evaluate STX480; for operations sensitive to operating costs or implement compatibility, New Holland T9.645 SmartTrax II remains a direct benchmark contender.

COMMERCIAL INVENTORY & PRICING

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COMMERCIAL MACHINERY DECISION TOOL

Equipment Financing & Monthly Payment Estimator

Model cash flows, estimated installment burdens, and financing differentials for agricultural leases or loans.

Zero Credit Impact Estimate
$
Financed: $432,000 after down payment
$
Financed: $432,000 after down payment
Down Payment20%
0%20% (Standard)50%
Annual APR5.99%
Financing Term Duration (Months)
Estimated Monthly Payment Differential
CaseIH STX480$8,350 /mo
60 payments$501,000 total
New Holland T9.645 SmartTrax II$8,350 /mo
60 payments$501,000 total
Estimated Monthly Delta:$0 /mo savings

*Indicative estimates based on standard Tier-1 agricultural commercial rates. Taxes, freight, attachments, and insurance not included.

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