HEAD-TO-HEAD EQUIPMENT SHOWDOWN

Allis Chalmers D21 vs Case 1370

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.
Allis Chalmers

Allis Chalmers D21

Category: Farm

Allis Chalmers D21
TRACTORCOMPARE.COM
Power119 HP
Weight9,500lbs
Pump FlowN/Agpm
Case
Spec Winner

Case 1370

Category: Farm

Case 1370
TRACTORCOMPARE.COM
Power158 HP
WeightN/Albs
Pump Flow28gpm

Decisive Performance Differentials

  • Case 1370 provides +52.5 PTO HP more implement shaft power

Multi-Axis Capability Radar

Normalized 5-pillar operational benchmark comparison

Allis Chalmers D21
Case 1370
Engine PowerBallast MassHydraulicsDisplacementGear Versatility
Engine PowerRated Horsepower
119 HPvs158 HP
Ballast MassOperating Weight
9,500 lbsvsNo Record
HydraulicsStandard Flow
Option Pack Requiredvs28 gpm
DisplacementEngine Liters
7 Lvs8.3 L
Gear VersatilitySpeeds / Range
8F / 2Rvs12F / 3R
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
Allis Chalmers D21
Allis Chalmers D21 Series II Turbocharged. Lot 5. George Prince Auction
Allis Chalmers D21 Series II Turbocharged. Lot 5. George Prince Auction
Takes (3):
Channel: Aumann Vintage PowerWatch on YouTube
Case 1370
1976 J I CASE 1370 For Sale
1976 J I CASE 1370 For Sale
Takes (2):
Channel: TractorHouseWatch on YouTube

Head-to-Head Specification Differential

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

SpecificationAllis Chalmers D21Case 1370Advantage Delta
Power & Output
Rated Engine Horsepower
119 HP
158 HP
-
PTO Horsepower (Tested)
103.1 HP
155.6 HP
+50.9%+52.5 PTO HP (+50.9%)
Traction Density Ratio
12.5 HP/1k lbs
N/A
-
Dimensions & Weight
Base Operating Weight
9,500 lbs
N/A
-
Engine Specs
Displacement
7 L
8.3 L
+1.3L larger displacement
Cylinders
6 Cylinders
6 Cylinders
-
Hydraulics & Implements
Standard Hydraulic Pump Flow
N/A (Check Option Pack)
28 gpm
-
Rear SCV Remotes (Standard)
Optional / Standard
2 Valves
-
3-Point Hitch Category
Category III/II
Category III/II
-
Chassis & Drivetrain
Drive Configuration
2WD
2WD
-
Transmission System
sliding gear
partial power shift
-
✓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

Data Inconclusive

Comparative draft ballast analysis is unavailable due to missing unballasted operating weight specifications on one or both tractors.

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

Data Inconclusive

Insufficient operating weight or horsepower records to compute comparative road transport traction agility.

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

Soil Compaction & Wet Ground Flotation

Data Inconclusive

Chassis weight data missing on one or both units; ground footprint contact pressure cannot be responsibly determined.

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

Case 1370 holds a verified rated horsepower lead (158 HP vs 119 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.

Evidence Coverage60%Empirical Spec Depth

Decision Analysis & Editorial Verdict

Engine Decision Verdict

Case 1370 holds the specification edge across verified benchmark criteria, led by higher rated horsepower. Consider 1370 for demanding high-capacity field duties, while Allis Chalmers D21 provides a competitive footprint for alternative duty cycles.

COMMERCIAL INVENTORY & PRICING

Request Authorized Dealer Best Quote & Availability

Skip the runaround. Receive competitive manufacturer incentive packages, verified stock status, and freight estimates from top regional dealers.

100% Free service • No purchase obligation
Matched to certified OEM franchise dealers near your ZIP
Fast response with seasonal cash discount & low APR bundles

Your contact details are encrypted and only transmitted to authorized machinery dealers matching your location.

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: $108,000 after down payment
$
Financed: $192,000 after down payment
Down Payment20%
0%20% (Standard)50%
Annual APR5.99%
Financing Term Duration (Months)
Estimated Monthly Payment Differential
Allis Chalmers D21$2,087 /mo
60 payments$125,220 total
Case 1370$3,711 /mo
60 payments$222,660 total
Estimated Monthly Delta:$1,624 /mo savings

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

Other Competitors in This Horsepower Tier

View All Allis Chalmers Alternatives →
ZetorZetor 924590 HP
Compare with D21 →
ZetorZetor Proxima 9590 HP
Compare with D21 →
ZetorZetor Proxima Plus 954190 HP
Compare with D21 →