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Comparison · Wheel loader

Caterpillar 926 vs John Deere 644 P-Tier

The John Deere 644 P-Tier is about 48% heavier than the Caterpillar 926 (18,727 vs 12,688 kg), which usually means more stability and lifting capacity but higher transport weight.

The John Deere 644 P-Tier has about 51% more engine power (186 kW (249 hp) vs 123 kW (165 hp)).

Beyond the numbers, compare local dealer support, parts availability and resale value for Caterpillar and John Deere in your region: over the life of a machine they often matter more than small specification differences.

Caterpillar 926
Caterpillar Caterpillar 926
John machine similar to the John Deere 644 P-Tier (related model may be pictured)
John Deere John Deere 644 P-Tier
Operating weight 12,688 kg (28,000 lb)18,727 kg (41,300 lb)
Engine power 123 kW (165 hp)186 kW (249 hp)
Engine power ≈123 kW (165 hp)—
Bucket capacity 1.9–5.0 m³ (2.5–6.5 yd³), incl. light-material buckets3.1–3.6 m³ (4.0–4.75 yd³); 3.2 m³ (4.25 yd³) reference
Engine Cat C7.1John Deere PowerTech PSS 6068, 6.8 L
Drive Hydrostatic—
Emissions US EPA Tier 4 Final / EU Stage VUS EPA Tier 4 Final
Net power —186 kW (249 hp) at 1,800 rpm
Bucket breakout force —≈153 kN (34,334 lbf), dealer data
Telematics —JDLink
Related models —644 G-Tier (value); 644 X-Tier (hybrid-electric)
Strengths
  • + Versatile small loader with quick coupler and tool range
  • + Hydrostatic drive for smooth control and good fuel efficiency
  • + Next Gen cab updates
  • + Cat dealer support and resale
  • + Smooth ride and refined controls (EquipmentWorld test)
  • + 249 hp from a 6.8 L engine
  • + P-Tier Gen B updates add features (2025)
  • + Deere dealer support and JDLink
  • + X-Tier hybrid option in the same size class
Watch-outs
  • − Premium price for the class
  • − Spec data for the new generation still emerging
  • − Breakout and tipping data not widely published
  • − Limited support outside the Americas
Full 926 reviewFull 644 P-Tier review

Specifications are typical figures for standard configurations and may be measured differently by each manufacturer (for example net vs gross power). Always confirm with the manufacturer or dealer. Build another comparison.